Most recent taxonomic treatment. Rognes (1991a).
Material. Kotayk: River Marmarik at Hankavan, N 40°38 E44° 31, 1920 m, 21.vi.2010, 1 ♀ [2599]. Tavush: Gosh Lake, N 40°43 E45°01, 1430 m, 8.vii.2016, 1 ♀ [2647]; Haghartsin monastery environs, N40°48 E44° 53, 1440–1560 m, 23.vii.2015, 1 ♂ [2598].
Distribution. Widely distributed in the Holarctic Region, including Japan; also Hawaii and New Zealand.