Polyommatus erotides (Staudinger, 1892) (= Polyommatus eroides erotides; = Polyommatus eros auct.).
Range: the mountains of South Siberia and Mongolia.
ssp.: erotides (Staudinger, 1892) - monotypical.
A male; wings closed.
The left bank of the Novyi Onon arm of the Onon River 1 km downstream of the village Nizhnii Tsasuchei, Onon District, Chita Province, Transbaikalia, Siberia, Russia, 20th July 1997. O. Kosterin.