Euura jugicola ( Thomson, 1871 )

Prous, Marko, Liston, Andrew, Monckton, Spencer K., Kramp, Katja, Vårdal, Hege, Vikberg, Veli, Heibo, Erik & Mutanen, Marko, 2025, West Palaearctic species of Euura Newman, 1837 (Hymenoptera, Tenthredinidae), European Journal of Taxonomy 977, pp. 1-377 : 133

publication ID	https://doi.org/10.5852/ejt.2025.977.2799
publication LSID	lsid:zoobank.org:pub:73DA044B-EB3D-4BF1-97EA-7430036DEEE0
persistent identifier	https://treatment.plazi.org/id/03BCA619-FF5C-D896-972A-FEEFFB2AF901
treatment provided by	Plazi (2025-03-03 10:25:10, last updated 2025-03-13 15:07:47)
scientific name	Euura jugicola ( Thomson, 1871 )
status

Treatment

186 Euura jugicola ( Thomson, 1871)

Figs 207 View Figs 207–209 , 431–432 View Figs 422–435

Nematus jugicola Thomson, 1871: 146–147 . Lectotype designated below.

Pteronidea karvoneni Lindqvist, 1969: 237–238 . Synonymy by Hellén (1976).

Diagnosis

Females are most similar to E. hypoxantha : see details under that species. The abdomen of living specimens can be extensively pink, and the mesepisternum is usually (always?) slightly matt. In North America, at least males can have a black pterostigma (yellow to brown in Europe). Penis valves are most similar to E. fuscodorsata and E. parvilabris ( E. bipartita group). Legs and abdomen ventrally are extensively pale in E. jugicola but in E. parvilabris mostly black. Euura fuscodorsata is paler (e.g., mesepisternum pale, whereas black in E. jugicola ) and the males seem to have a smaller subapical tooth of claws than in E. jugicola . In males, hind tarsi and tip of hind tibia from black to pale, in female (always?) largely pale.

Type material examined

Lectotype Nematus jugicola , here designated

SWEDEN – Dalarna • ♀; Dalecarlia alpibus [mountainous part of Dalarna province]; C.H. Boheman leg.; NHRS, NHRS-HEVA000003972 .

Holotype Pteronidea karvoneni

FINLAND – Lapin Lääni • ♀; Kilpisjärvi; 69.04° N, 20.81° E; 2 Jul. 1964; V.J. Karvonen leg.; MZH, http://id.luomus.fi/GL.3504. GoogleMaps

Host plants

Salix spp. , including S. glabra Scop. ( Weiffenbach 1975) , S. aurita L., S. myrsinifolia , and S. phylicifolia ( Kangas 1985) .

Genetics

COI

Based on 10 specimens, maximum within-species distance is 4.1% and the nearest neighbours, diverging by a minimum of 5.32%, are Euura connecta and E. semiopaca .

Nuclear

Based on 7 specimens, maximum within-species distance is 0.3% (0.44% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 0.98%, is Euura myosotidis .

Distribution and material examined

Holarctic. Specimens studied are from Canada, Finland, Italy, Sweden, and the USA.

References

Hellen W. 1976. Die Nematinen Finnlands V (Hymenoptera, Tenthredinidae). Gattung Nematus Panzer. Notulae Entomologicae 56: 33-57.

Kangas J. K. 1985. Palkaneen Sahapistiaisfauna 1953 - 1983. Palkane- Seuran julkaisuja 5: 1-113.

Lindqvist E. 1969. Neue Nematinen aus Finnland. II. (Hymenoptera, Tenthredinidae). Notulae Entomologicae 49: 231-246.

Thomson C. G. 1871. Hymenoptera Scandinaviae - Tenthredo et Sirex Lin. H. Olsson, Lundae.

Weiffenbach H. 1975. Tenthredinidenstudien III (Hymenoptera). Entomologische Zeitschrift 85 (6): 57-59.

Figures

Figs 207–209. Lancets of Euura Newman, 1837. 207. jugicola (Thomson, 1871) DEI-GISHym21401. 208. papillosa (Retzius, 1783) DEI-GISHym31160. 209. pavida (Serville, 1823) DEI-GISHym17865.

Figs 422–435. Penis valves of Euura Newman, 1837. 422. melanocephalus (Hartig, 1837) DEI- GISHym18642. 423. miliaris (Panzer, 1797) ZMUO.029496. 424. nigricornis? (Serville, 1823) Nr.18. 425. miltonota (Zaddach, 1883) DEI-GISHym13852. 426. nimbus (Benson, 1960) DEI-GISHym84209. 427. sagmarius (Konow, 1895) DEI-GISHym84692. 428. halo Prous, Liston & Mutanen sp. nov., paratype ZMUO.067421. 429. dissimilis (Förster, 1854) DEI-GISHym83932. 430. hypoxantha (Förster, 1854) DEI-GISHym3301. 431. jugicola (Thomson, 1871) DEI-GISHym88731 (Sweden). 432. jugicola DEI-GISHym15270 (Canada). 433. myosotidis (Fabricius, 1804) DEI-GISHym12003. 434. myosotidis ZMUO.058149. 435. platystigma (Lindqvist, 1949) DEI-GISHym83672.