Northernmost records (Fig. 4c). 69°43 ′ 19.16 ″ N, 31°53 ′ 56.52 ″ E, MP, Pechenga Distr., Sredniy Peninsula (Sharkov, 1980); 62°7 ′ 23.57 ″ N, 42°35 ′ 30.34 ″ E, AP, Shenkursk Distr. (Sharkov, 1982); 67°29 ′ 50.68 ″ N, 64°3 ′ 39.93 ″ E, Komi, Vorkuta Distr., Vorkuta (Panyukova & Ostroushko, 2017).
Distribution. NWR: AP, Komi, LP, MP, PP, RK, SPb, VP. Adjacent countries: Estonia (according to Maslov, 1967, not to Remm, 1957), Norway, Sweden and Finland. Europe (Denmark only), European Russia, West Siberia, Russian Far East, Mongolia, Japan, Korea.