Northernmost records (Fig. 2e). 68°24 ′ 58.73 ″ N, 29°30 ′ 17.92 ″ E, MP, Kola Distr., Vuenniyaur Lake (Sharkov, 1980); 64°32 ′ 23.68 ″ N, 40°30 ′ 56.71 ″ E, AP, Arkhangelsk (Sharkov, 1982); 67°29 ′ 50.68 ″ N, 64°3 ′ 39.93 ″ E, Komi, Vorkuta Distr., Vorkuta (Panyukova & Ostroushko, 2017).
Distribution. NWR: AP, Komi, KP, LP, MP, NP, PP, RK, SPb, VP. Adjacent countries: Norway, Sweden, Finland, Estonia, Latvia, Lithuania and Belarus. Europe (ranging northward to the UK, Belgium, the Netherlands and Denmark); the Palaearctic from West Europe to the Russian Far East.