Material examined. RUSSIA: Altai Republic: 1♀, Seminskiy Pass, 51.05°N 85.59°E, 1650 m asl, 27– 30.06.2016, leg. N. Vikhrev (ZMUM).
Distribution. Holarctic. Palaearctic: Norway, Sweden, Russia (Nenets AO, Taymyr Pen., Altai Mts). Nearctic: Canada (Yukon Territory, NWT, Labrador, Quebec), USA (Alaska).