taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
B358B57175158C14D1FEFB5CFA787D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136460/files/figure.png	https://doi.org/10.5281/zenodo.21136460	FIGURES 1–5. Adult male of Pseudokiefferiella inopinata sp. nov. 1, 3, hypopygium in dorsal view; 2, anal point; 4, distal part of gonostylus; 5, endoskeleton, basal lobe, and median field of gonocoxite. Scale bars: 50 μm.	FIGURES 1–5. Adult male of Pseudokiefferiella inopinata sp. nov. 1, 3, hypopygium in dorsal view; 2, anal point; 4, distal part of gonostylus; 5, endoskeleton, basal lobe, and median field of gonocoxite. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175158C14D1FEFB5CFA787D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136474/files/figure.png	https://doi.org/10.5281/zenodo.21136474	FIGURES 31–37.Adult male of Pseudokiefferiella transarctica sp. nov. from Lavrentia Village (31–32, 35), Chegitun River (33– 34), Ragozinka River (36), and Wrangel Island (37). 31, hypopygium in dorsal view; 32–37, endoskeleton. Scale bars: 50 μm.	FIGURES 31–37.Adult male of Pseudokiefferiella transarctica sp. nov. from Lavrentia Village (31–32, 35), Chegitun River (33– 34), Ragozinka River (36), and Wrangel Island (37). 31, hypopygium in dorsal view; 32–37, endoskeleton. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175158C14D1FEFB5CFA787D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136466/files/figure.png	https://doi.org/10.5281/zenodo.21136466	FIGURES 11–17. Adult male of Pseudokiefferiella krasheninnikovi sp. nov. 11, 13, hypopygium in dorsal view; 12, the same, without tergite IX; 14–17, gonostylus in different positions. TSA–transverse sternapodema, AL – aedeagal lobe, CD – crista dorsalis. Scale bars: 50 μm.	FIGURES 11–17. Adult male of Pseudokiefferiella krasheninnikovi sp. nov. 11, 13, hypopygium in dorsal view; 12, the same, without tergite IX; 14–17, gonostylus in different positions. TSA–transverse sternapodema, AL – aedeagal lobe, CD – crista dorsalis. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175158C14D1FEFB5CFA787D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136468/files/figure.png	https://doi.org/10.5281/zenodo.21136468	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175158C14D1FEFB5CFA787D6D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136462/files/figure.png	https://doi.org/10.5281/zenodo.21136462	FIGURES 6–10. Adult male of Pseudokiefferiella kolchak sp. nov. 6–7, hypopygium without tergite IX, in dorsal view; 8, endoskeleton, basal lobe and median field of gonocoxite; 9, tergite IX; 10, gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	FIGURES 6–10. Adult male of Pseudokiefferiella kolchak sp. nov. 6–7, hypopygium without tergite IX, in dorsal view; 8, endoskeleton, basal lobe and median field of gonocoxite; 9, tergite IX; 10, gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175168C12D1FEFB42FC247AD0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136460/files/figure.png	https://doi.org/10.5281/zenodo.21136460	FIGURES 1–5. Adult male of Pseudokiefferiella inopinata sp. nov. 1, 3, hypopygium in dorsal view; 2, anal point; 4, distal part of gonostylus; 5, endoskeleton, basal lobe, and median field of gonocoxite. Scale bars: 50 μm.	FIGURES 1–5. Adult male of Pseudokiefferiella inopinata sp. nov. 1, 3, hypopygium in dorsal view; 2, anal point; 4, distal part of gonostylus; 5, endoskeleton, basal lobe, and median field of gonocoxite. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175108C10D1FEFB97FEC47BFC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136462/files/figure.png	https://doi.org/10.5281/zenodo.21136462	FIGURES 6–10. Adult male of Pseudokiefferiella kolchak sp. nov. 6–7, hypopygium without tergite IX, in dorsal view; 8, endoskeleton, basal lobe and median field of gonocoxite; 9, tergite IX; 10, gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	FIGURES 6–10. Adult male of Pseudokiefferiella kolchak sp. nov. 6–7, hypopygium without tergite IX, in dorsal view; 8, endoskeleton, basal lobe and median field of gonocoxite; 9, tergite IX; 10, gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B57175128C1ED1FEFCFAFB707C76.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136466/files/figure.png	https://doi.org/10.5281/zenodo.21136466	FIGURES 11–17. Adult male of Pseudokiefferiella krasheninnikovi sp. nov. 11, 13, hypopygium in dorsal view; 12, the same, without tergite IX; 14–17, gonostylus in different positions. TSA–transverse sternapodema, AL – aedeagal lobe, CD – crista dorsalis. Scale bars: 50 μm.	FIGURES 11–17. Adult male of Pseudokiefferiella krasheninnikovi sp. nov. 11, 13, hypopygium in dorsal view; 12, the same, without tergite IX; 14–17, gonostylus in different positions. TSA–transverse sternapodema, AL – aedeagal lobe, CD – crista dorsalis. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B571751C8C1CD1FEFA74FBE07A8C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136468/files/figure.png	https://doi.org/10.5281/zenodo.21136468	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B571751E8C1DD1FEFC6AFC8378A0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136468/files/figure.png	https://doi.org/10.5281/zenodo.21136468	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	FIGURES 18–25. Adult male of Pseudokiefferiella matafonovi Makarchenko et Semenchenko (18–21) and P. silinka Makarchenko et Semenchenko (22–25). 18, 22, hypopygium in dorsal view; 19, anal point; 20, 24, basal lobe and median field of gonocoxite; 21, 23, endoskeleton; 25, gonocoxite and gonostylus. BL – basal lobe, MF – median field. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B571751F8C18D1FEFE46FE9D7BA4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136470/files/figure.png	https://doi.org/10.5281/zenodo.21136470	FIGURES 26–30. Adult male of Pseudokiefferiella transarctica sp. nov. from Wrangel Island (26), West Taimyr (Ragozinka River) (27–29), and Novaya Zemlya (30). 26–27, 30, hypopygium in dorsal view; 28, hypopygium without tergite IX; 29, anal point. Scale bars: 50 μm.	FIGURES 26–30. Adult male of Pseudokiefferiella transarctica sp. nov. from Wrangel Island (26), West Taimyr (Ragozinka River) (27–29), and Novaya Zemlya (30). 26–27, 30, hypopygium in dorsal view; 28, hypopygium without tergite IX; 29, anal point. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
B358B571751F8C18D1FEFE46FE9D7BA4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/21136474/files/figure.png	https://doi.org/10.5281/zenodo.21136474	FIGURES 31–37.Adult male of Pseudokiefferiella transarctica sp. nov. from Lavrentia Village (31–32, 35), Chegitun River (33– 34), Ragozinka River (36), and Wrangel Island (37). 31, hypopygium in dorsal view; 32–37, endoskeleton. Scale bars: 50 μm.	FIGURES 31–37.Adult male of Pseudokiefferiella transarctica sp. nov. from Lavrentia Village (31–32, 35), Chegitun River (33– 34), Ragozinka River (36), and Wrangel Island (37). 31, hypopygium in dorsal view; 32–37, endoskeleton. Scale bars: 50 μm.	2026-03-25	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.		Zenodo	biologists	Makarchenko, Eugenyi A.;Semenchenko, Alexander A.			
