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.
On a planted bush of Sorbaria sorbiifolia.
Russia, West Siberia, Omsk, the 30th Anniversary of Victory Park. 15th July 2007. O. Kosterin.