Clossiana oscarus (Eversmann, 1844) (= Boloria oscarus).
Range: the temperate zone east of the Ob' River to Pacific.
ssp.: oscarus (Eversmann, 1844); range: except for Yakutia and the Pacific regions.
A male; wings closed.
A bushy meadow on the second right bank terrace of the Koen River at the Volchikha Rivulet just upstream of its fall into the Koen River near the village Nizhniy Koen, Iskitim District, Novosibirsk Province, West Siberia, Russia. 18th June, 1989. Oleg Kosterin.