(Coquillett, 1904)
Northernmost records (Fig. 3e). 69°17 ′ 31.18 ″ N, 32°47 ′ 54.14 ″ E, MP, Kola Distr., Ura-Guba (Sharkov, 1980); 64°32 ′ 23.68 ″ N, 40°30 ′ 56.71 ″ E, AP, Arkhangelsk (Sharkov, 1982); 68°23 ′ 55.37 ″ N, 64°59 ′ 16.15 ″ E, NAR, Zapolyarnyy Distr., Khovraty (Panyukova & Ostroushko, 2017).
Distribution. NWR: AP, Komi, LP, MP, NAR, NP, PP, RK, SPb, VP. Adjacent countries: Norway, Sweden, Finland, Lithuania and Belarus. Europe (ranging northward to France, Germany and Poland); the Holarctic.