taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627902/files/figure.png	https://doi.org/10.5281/zenodo.19627902	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025509244FF16EE07FACBFD74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025569245FDF6E9F4FDE1FE02.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025569245FDF6E9F4FDE1FE02.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025569245FDF6E9F4FDE1FE02.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025569245FDF6E9F4FDE1FE02.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025569245FDF6E9F4FDE1FE02.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579245FDEFE809FE6DFC8F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579245FDEFE809FE6DFC8F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579245FDEFE809FE6DFC8F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579245FDEFE809FE6DFC8F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579245FDEFE809FE6DFC8F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579246FDBDEF65FB70FC27.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579246FDBDEF65FB70FC27.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579246FDBDEF65FB70FC27.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579246FDBDEF65FB70FC27.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025579246FDBDEF65FB70FC27.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025559247FDFBE8FCFDD6FAF7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025559247FDFBE8FCFDD6FAF7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025559247FDFBE8FCFDD6FAF7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025559247FDFBE8FCFDD6FAF7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025559247FDFBE8FCFDD6FAF7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FD9EE868FDDFF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FE4FECEFFBE3F807.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FE4FECEFFBE3F807.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FE4FECEFFBE3F807.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FE4FECEFFBE3F807.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255A9248FE4FECEFFBE3F807.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FE5EECCCFB22F800.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FE5EECCCFB22F800.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FE5EECCCFB22F800.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FE5EECCCFB22F800.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FE5EECCCFB22F800.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FDFFEB0BFB50FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FDFFEB0BFB50FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FDFFEB0BFB50FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FDFFEB0BFB50FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255B9249FDFFEB0BFB50FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFD9DECE6FDDCF80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFD9DECE6FDDCF80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFD9DECE6FDDCF80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFD9DECE6FDDCF80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFD9DECE6FDDCF80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFDF5EB0BFC54F95E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFDF5EB0BFC54F95E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFDF5EB0BFC54F95E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFDF5EB0BFC54F95E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302558924AFDF5EB0BFC54F95E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924CFDBCECEFFD57FEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924CFDBCECEFFD57FEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924CFDBCECEFFD57FEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924CFDBCECEFFD57FEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924CFDBCECEFFD57FEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924BFD90E826FF43F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924BFD90E826FF43F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924BFD90E826FF43F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924BFD90E826FF43F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302559924BFD90E826FF43F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255E924CFDF2E96AFC4FF801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255E924CFDF2E96AFC4FF801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255E924CFDF2E96AFC4FF801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255E924CFDF2E96AFC4FF801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255E924CFDF2E96AFC4FF801.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924DFD84EB0AFE6EFE1B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924DFD84EB0AFE6EFE1B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924DFD84EB0AFE6EFE1B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924DFD84EB0AFE6EFE1B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924DFD84EB0AFE6EFE1B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924EFD8CE826FACBFE7E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924EFD8CE826FACBFE7E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924EFD8CE826FACBFE7E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924EFD8CE826FACBFE7E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255F924EFD8CE826FACBFE7E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924EFE44EBBCFAD6FD1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924EFE44EBBCFAD6FD1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924EFE44EBBCFAD6FD1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627859/files/figure.png	https://doi.org/10.5281/zenodo.19627859	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	Fig. 7. Dorsolateral habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [nontype, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924EFE44EBBCFAD6FD1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924EFE44EBBCFAD6FD1F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924FFE42ECF6FB86F928.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627837/files/figure.png	https://doi.org/10.5281/zenodo.19627837	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 1. Dorsal habitus of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924FFE42ECF6FB86F928.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627849/files/figure.png	https://doi.org/10.5281/zenodo.19627849	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 4. Pronotum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924FFE42ECF6FB86F928.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924FFE42ECF6FB86F928.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627874/files/figure.png	https://doi.org/10.5281/zenodo.19627874	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 11. Prosternum of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230255C924FFE42ECF6FB86F928.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025439252FDE8E990FC13FE38.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025439252FDE8E990FC13FE38.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025439252FDE8E990FC13FE38.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025439252FDE8E990FC13FE38.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025439252FDE8E990FC13FE38.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025409252FE32EE20FCDBFAF0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025409252FE32EE20FCDBFAF0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025409252FE32EE20FCDBFAF0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025419253FDFEEC21FCA9F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025419253FDFEEC21FCA9F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FD93EFFAFC1EF8DD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FD93EFFAFC1EF8DD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FD93EFFAFC1EF8DD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FD93EFFAFC1EF8DD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FD93EFFAFC1EF8DD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FDFAEB0BFD3CFA36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FDFAEB0BFD3CFA36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FDFAEB0BFD3CFA36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FDFAEB0BFD3CFA36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469254FDFAEB0BFD3CFA36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469255FDCFED67FE4DFAC1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469255FDCFED67FE4DFAC1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469255FDCFED67FE4DFAC1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469255FDCFED67FE4DFAC1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025469255FDCFED67FE4DFAC1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025479256FD81EC5FFAACFEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025479256FD81EC5FFAACFEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025479256FD81EC5FFAACFEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025479256FD81EC5FFAACFEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025479256FD81EC5FFAACFEA1.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025449257FDC0EEADFE4EFD58.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025449257FDC0EEADFE4EFD58.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025449257FDC0EEADFE4EFD58.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025449257FDC0EEADFE4EFD58.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025449257FDC0EEADFE4EFD58.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDF3EB93FC06F920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254B9259FDFEECEFFB0FF858.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925AFDEDEBDFFCDAFD37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925AFDEDEBDFFCDAFD37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925AFDEDEBDFFCDAFD37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925AFDEDEBDFFCDAFD37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925AFDEDEBDFFCDAFD37.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302548925BFDC7E8FAFD30FD07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627894/files/figure.png	https://doi.org/10.5281/zenodo.19627894	Fig. 16. Ludyella corticariiformis Reitter, 1899 [holotype, HNMH]. A. Dorsal habitus. B. Prosternum. C. Tarsi. D. Lateral habitus. E. Labels. Scale bars: A, D = 1.0 mm; B = 0.5 mm; C = 0.1 mm.	Fig. 16. Ludyella corticariiformis Reitter, 1899 [holotype, HNMH]. A. Dorsal habitus. B. Prosternum. C. Tarsi. D. Lateral habitus. E. Labels. Scale bars: A, D = 1.0 mm; B = 0.5 mm; C = 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925BFD98E90BFE3FFC19.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627894/files/figure.png	https://doi.org/10.5281/zenodo.19627894	Fig. 16. Ludyella corticariiformis Reitter, 1899 [holotype, HNMH]. A. Dorsal habitus. B. Prosternum. C. Tarsi. D. Lateral habitus. E. Labels. Scale bars: A, D = 1.0 mm; B = 0.5 mm; C = 0.1 mm.	Fig. 16. Ludyella corticariiformis Reitter, 1899 [holotype, HNMH]. A. Dorsal habitus. B. Prosternum. C. Tarsi. D. Lateral habitus. E. Labels. Scale bars: A, D = 1.0 mm; B = 0.5 mm; C = 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302549925CFE45EE25FCCFFA87.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627902/files/figure.png	https://doi.org/10.5281/zenodo.19627902	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230254D9260FD8BEC44FB57FD66.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627902/files/figure.png	https://doi.org/10.5281/zenodo.19627902	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025729260FDA9EFD3FD8AF936.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025709263FDB7EE22FDC3FE21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627902/files/figure.png	https://doi.org/10.5281/zenodo.19627902	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627863/files/figure.png	https://doi.org/10.5281/zenodo.19627863	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 8. Dorsolateral habitus of Afrotropical Elmidae. A. Helminthopsis (Helminthopsis) sp. [nontype, BMNH]. B. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. C. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. D. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. E. Leptelmis sp. [non-type, BMNH]. F. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. H. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719263FE16EBECFAA7FBFD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627902/files/figure.png	https://doi.org/10.5281/zenodo.19627902	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	Fig. 18. Ovipositor of Afrotropical Elmidae. A. Microdinodes (Microdinodes) nigrolineatus Delève, 1937 [non-type, BMNH]. B. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Scale bar: 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719264FDE1EE41FC2BFBE8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719264FDE1EE41FC2BFBE8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719264FDE1EE41FC2BFBE8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719264FDE1EE41FC2BFBE8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025719264FDE1EE41FC2BFBE8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025749267FDCAEC4BFD06FB4A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627898/files/figure.png	https://doi.org/10.5281/zenodo.19627898	Fig. 17. Peloriolus brunneus (Waterhouse, 1879) [syntype, BMNH]. A. Dorsal habitus. B. Dorsolateral habitus. C. Ventral habitus. D. Labels. Scale bars: 1.0 mm.	Fig. 17. Peloriolus brunneus (Waterhouse, 1879) [syntype, BMNH]. A. Dorsal habitus. B. Dorsolateral habitus. C. Ventral habitus. D. Labels. Scale bars: 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759267FD8CEED1FBE7FA43.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627898/files/figure.png	https://doi.org/10.5281/zenodo.19627898	Fig. 17. Peloriolus brunneus (Waterhouse, 1879) [syntype, BMNH]. A. Dorsal habitus. B. Dorsolateral habitus. C. Ventral habitus. D. Labels. Scale bars: 1.0 mm.	Fig. 17. Peloriolus brunneus (Waterhouse, 1879) [syntype, BMNH]. A. Dorsal habitus. B. Dorsolateral habitus. C. Ventral habitus. D. Labels. Scale bars: 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759268FDE8ECD8FE49FD65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627843/files/figure.png	https://doi.org/10.5281/zenodo.19627843	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	Fig. 2. Dorsal habitus of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759268FDE8ECD8FE49FD65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627853/files/figure.png	https://doi.org/10.5281/zenodo.19627853	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	Fig. 5. Pronotum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [nontype, BMNH]. H. Pachyelmis.sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759268FDE8ECD8FE49FD65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759268FDE8ECD8FE49FD65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627878/files/figure.png	https://doi.org/10.5281/zenodo.19627878	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	Fig. 12. Prosternum of Afrotropical Elmidae. A. Helminthopsis (Elmidoliana) sp. [non-type, BMNH]. B. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. C. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. D. Leptelmis sp. [non-type, BMNH]. E. Lobelmis harrisoni Delève, 1967 [paratype, BMNH]. F. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. G. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. H. Pachyelmis sp. [non-type, BMNH]. I. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025759268FDE8ECD8FE49FD65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257A9269FE5EEFBCFDA3FB4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257A9269FE5EEFBCFDA3FB4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257A9269FE5EEFBCFDA3FB4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257A9269FE5EEFBCFDA3FB4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257A9269FE5EEFBCFDA3FB4B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302578926AFE56E90DFDD7FBE5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302578926AFE56E90DFDD7FBE5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302578926AFE56E90DFDD7FBE5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302578926AFE56E90DFDD7FBE5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302578926AFE56E90DFDD7FBE5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302579926BFDE9EB0BFAEDF802.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302579926BFDE9EB0BFAEDF802.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302579926BFDE9EB0BFAEDF802.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302579926BFDE9EB0BFAEDF802.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
038562302579926BFDE9EB0BFAEDF802.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926DFDB1EF1BFBB9F9D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926DFDB1EF1BFBB9F9D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926DFDB1EF1BFBB9F9D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926DFDB1EF1BFBB9F9D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926DFDB1EF1BFBB9F9D8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257F926EFDBBED63FC35FA03.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230257D926FFDA0E9D5FE12FA5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627888/files/figure.png	https://doi.org/10.5281/zenodo.19627888	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	Fig. 15. Antennae of Afrotropical Elmidae. A. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. B. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. Scale bars: 0.1 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDB6EFF7FACBF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDB6EFF7FACBF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDB6EFF7FACBF920.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDECEB0BFD19FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDECEB0BFD19FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDECEB0BFD19FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627867/files/figure.png	https://doi.org/10.5281/zenodo.19627867	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	Fig. 9. Dorsolateral habitus of Afrotropical Elmidae. A. Pachyelmis sp. [non-type, BMNH]. B. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. C. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. D. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. E. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. F. Sphragidelmis sp. [non-type, NHMW]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDECEB0BFD19FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025639271FDECEB0BFD19FA28.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025609272FDCFEB0BFCBDF838.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025609272FDCFEB0BFCBDF838.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025609272FDCFEB0BFCBDF838.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025609272FDCFEB0BFCBDF838.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025609272FDCFEB0BFCBDF838.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025679275FDFBE85FFCA8FCB4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025679275FDFBE85FFCA8FCB4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025679275FDFBE85FFCA8FCB4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025679275FDFBE85FFCA8FCB4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025679275FDFBE85FFCA8FCB4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025659277FD85E97CFD10F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025659277FD85E97CFD10F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025659277FD85E97CFD10F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025659277FD85E97CFD10F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
0385623025659277FD85E97CFD10F80F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9278FD8AEB0AFBB7FC65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9278FD8AEB0AFBB7FC65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9278FD8AEB0AFBB7FC65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9278FD8AEB0AFBB7FC65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9278FD8AEB0AFBB7FC65.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9279FDFCEEA0FDF2FDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9279FDFCEEA0FDF2FDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9279FDFCEEA0FDF2FDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9279FDFCEEA0FDF2FDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256A9279FDFCEEA0FDF2FDDE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256B9279FDFBE863FC4CFCBC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627847/files/figure.png	https://doi.org/10.5281/zenodo.19627847	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	Fig. 3. Dorsal habitus of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 1.0 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256B9279FDFBE863FC4CFCBC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627857/files/figure.png	https://doi.org/10.5281/zenodo.19627857	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 6. Pronotum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis atomaria (Fairmaire, 1898) [nontype, IRSNB]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256B9279FDFBE863FC4CFCBC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627871/files/figure.png	https://doi.org/10.5281/zenodo.19627871	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	Fig. 10. Dorsolateral habitus of Afrotropical Elmidae. A. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. B. Trachelminthopsis terrifera Delève, 1965 [non-type], BMNH. C. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.5 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256B9279FDFBE863FC4CFCBC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627880/files/figure.png	https://doi.org/10.5281/zenodo.19627880	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	Fig. 13. Prosternum of Afrotropical Elmidae. A. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. B. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. C. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. D. Sphragidelmis sp. [non-type, NHMW]. E. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. F. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. G. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Scale bars = 0.25 mm.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
03856230256B9279FDFBE863FC4CFCBC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/19627884/files/figure.png	https://doi.org/10.5281/zenodo.19627884	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	Fig. 14. 5th tarsal segment and tarsal claw of Afrotropical Elmidae. A. Aspidelmis scutellaris Delève, 1954 [non-type, BMNH]. B. Ctenelmis (Ctenelmis) harrisoni Delève, 1964 [non-type, BMNH]. C. Ctenelmis (Paractenelmis) discrepans Delève, 1964 [non-type, BMNH]. D. Elmidolia binervosa binervosa (Grouvelle, 1899) [non-type, BMNH]. E. Elpidelmis capensis (Grouvelle, 1890) [syntype, BMNH]. F. Eumicrodinodes bipustulatus Delève, 1965 [non-type, BMNH]. G. Exolimnius lateritius (Fairmaire, 1902) [non-type, BMNH]. H. Helminthocharis abdominalis nigra Delève, 1967 [syntype, BMNH]. I. Helminthopsis (Helminthopsis) sp. [non-type, BMNH]. J. Helminthopsis (Elmidoliana) luteopicta luteopicta Delève, 1938 [paratype, IRSNB]. K. Lathridelmis crenicollis Delève, 1965 [non-type, BMNH]. L. Leielmis georyssoides (Grouvelle, 1890) [non-type, BMNH]. M. Leptelmis sp. [non-type, BMNH]. N. Lobelmis subnigra Grouvelle, 1906 [syntype, BMNH]. O. Microdinodes (Microdinodes) quadrifasciatus Grouvelle, 1906 [syntype, BMNH]. P. Microdinodes (Paramicrodinodes) vaalensis Delève, 1965 [non-type, BMNH]. Q. Pachyelmis sp. [non-type, BMNH]. R. Peloriolus granulosus Delève, 1964 [non-type, BMNH]. S. Pseudancyronyx quadriguttatus (Delève, 1937) [paratype, IRSNB]. T. Pseudelmidolia umbrina (Fairmaire, 1898) [non-type, BMNH]. U. Pseudomacronychus intermedius Delève, 1963 [non-type, BMNH]. V. Sphragidelmis atomaria (Fairmaire, 1898) [non-type, IRSNB]. W. Stenelmis laeticollis Delève, 1966 [non-type, IRSNB]. X. Trachelminthopsis terrifera Delève, 1965 [non-type, BMNH]. Y. Tropidelmis hintoni Delève, 1964 [paratype, BMNH]. Not to scale.	2026-04-16	Linský, Marek;Matsumoto, Keita		Zenodo	biologists	Linský, Marek;Matsumoto, Keita			
