Agriades glandon (de Pruner, 1798) (= Argiades aquilo (Boisduval, 1832); = Polyommatus glandon; = Poyommatus aquilo auct.) - Glandon Blue.

Range: the Sierra-Nevada, Pyrenees, Alps, Balkans Mts., Polar Ural, the northern Central Siberia, East Siberia, the mountains of South Siberia and Mongolia, the north and west of North America.

ssp.: diodorus (Bremer, 1861) (= orbitulinus (Staudinger, 1892)); range: the mountains of South Siberia and Mongolia.

a female; wings open

A meadow steppe, at granite rocks crowning a ridge, where the larval foodplant Saxifraga spinulosa Adam grows, on a moderate elevation Adon-Chelon at the moountain Tsagan-Obo, 10 km NNW of the village Tasyrkhoi, SE Chita Province (Dahuria), Transbaikalia, Siberia, Russia, 21st June 1995. O. Kosterin.