Clossiana angarensis (Ershov, 1870) (=Boloria angarensis; = Argynnis angarensis).
Range: the forest-tundra and forest zones from Arkhangelsk Province to Chukotka, the mountains of Siberia, the Sakhalin.
ssp.: angarensis (Ershov, 1870); range: the Baikal region, Transbaikalia, Amurland.
A female, wings closed.
A road in a larch (Larix gmelinii (Rupr.) Rupr.) forest not far from the Argun' River left bank between the village Uryupino and the Gazimur River, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 31th July 1997. O. Kosterin.