Pyrgus speyeri (Staudinger, 1887) (= Pyrgus alveus auct. non Huebner, 1803)
Range: the mountains of S Siberia east of the East Sayan, Amurland, Primorye, E Mongolia, NE China.
ssp: speyeri (Staudinger, 1887); range: Transbaikalia, Amurland, Primorye.
A male, wings closed
The Onon River bank 7 km upstream of village Nizhnii Tsasuchei, SE Transbaikalia, 30th June 1995. Photo: O. Kosterin.