Melitaea diamina (Lang, 1789) (= Melitaea dictynna (Esper, 1779)) - False Heath Fritillary.
Range: The temperate Euroasia north to the northern taiga zone.
ssp.: erycinides Staudinger, 1892; range: Transbaikalia and eastwards.
A male, wings open.
A meadow at tiny aspen at a granite rocky ridge crest on a moderate elevation Adon-Chelon, at the mountain Tsagan-Obo, 10 km NNW of the Tasyrkhoi village , SE Chita region (Dahuria), Transbaikalia, Siberia, Russia. 9th July 1996. O. Kosterin.