Gymnometriocnemus (Rhaphidocladius) brumalis ( Edwards, 1929 )

Krivosheina, M. G., Vinogradov, D. D., Tsurikov, S. M., Zuev, A. G. & Sotnikov, I. V., 2023, New registrations of some rare species of the genus Gymnometriocnemus Edwards, 1932 (Diptera: Chironomidae), Russian Entomological Journal 32 (2), pp. 239-242 : 241-242

Gymnometriocnemus (Rhaphidocladius) brumalis ( Edwards, 1929)

Figs 2, 3 .

MATERIAL. Russia: Moscow Region, village Pervomayskoe, left bank of Zhiletovka river , pine forest with admixture of deciduous species 55.46164°N, 037.18284°E, 27.04– 7.05.2022, S.M. Tsurikov, A.G. Zuev (19 males) .

DIAGNOSIS. The species, like other members of the subgenus Rhaphidocladius , is characterized by a strongly developed virga beginning in tergite 8 and the absence of a process on tergite 9, which has only a medial fold. The species differs from G. (R.) tairaprimus by simple, not double, lower appendage of gonocoxite. The species differs from G. (R.) kamimegavirgus by wing membrane which has setae on at least half of wing, weakly sclerotized and often hardly visible lamella of virga and angulate lower appendage of gonocoxite ( Figs 2, 3 ) [ Makarchenko, Makarchenko, 2019].

DISTRIBUTION. The species was described for Great Britain [ Edwards, 1929]. Registered in Norway [ Stur, Ekrem, 2015]. According to the data in Fauna Europaea the species is also known from Sweden, Finland, Ireland, France, Germany, Hungary, Luxemburg, Poland, Switzerland, Nederlands and Spain [ De Jong et al., 2014]. According to the World database of Diptera the species is also widely distributed in Canada and USA [ Evenhuis, Pape, 2023]. The species is not rare but for a long time there was no information about its distribution in Russia. It was recently registerd in Primorsky Krai (Lazovsky District), Jewish Autonomous Region and Khabarovsk Krai (Khabarovsk District) [ Makarchenko, Makarchenko, 2019]. We prove the distribution of the species in European Part of Russia.

Figures

Figs 2–5. General view of hypopigium of Gymnometriocnemus (Rhaphidocladius) species: 2, 3 — G. (R.) brumalis; 4, 5 — G. (R.) kamumegavirgus. Scale bar 50 µm (after Makarchenko & Makarchenko, 2019, Figs 4, 5, 8, 9). Рис. 2–5. ОбЩий вид гипопигиЯ самцов Gymnometriocnemus (Rhaphidocladius): 2, 3 — G. (R.) brumalis; 4, 5 — G. (R.) kamumegavirgus. МасШтабнаЯ линейка 50 мкм (по Makarchenko & Makarchenko, 2019, Figs 4, 5, 8, 9).