Nordmannia w-album (Knoch, 1782) (= Strymon w-album; = Strymonidia w-album) - White-letter Hairstreak.
Range: Europe (except for NE), Anterior Asia, S Ural, expanding in the West Siberian Lowland and then, after a tremendous gap in Siberia, appears in S Transbaikalia and eastwards to Pacific and Japan.
ssp. sutchani Tutt, 1907; range: the eastern range, except for the Pacific islands.
A male; wings closed.
A tree of Ulmus pumila L. on the Onon River righht bank floodland, 7 km upstream of the village Nizhnii Tsasuchei, Onon District, SE Chita Region, Transbaikalia, Siberia, Russia, 4th July 1995. O. Kosterin.