Family - LYCAENIDAE
Tribe - POLYOMMATINI
Sichuan, China ©
taxonomy of the genus Polyommatus has
recently been revised so that it now includes those species formerly
placed in Lysandra,
Agrodiaetus, Paragrodiaetus and
Cyaniris. Defined thus
Polyommatus comprises about 220 species,
distributed variously across Europe, North Africa, temperate Asia and
Polyommatus eros is
distributed from Spain to Siberia and China.
This species inhabits flowery slopes with short turf, at elevations
between about 1000-3000m.
The larval foodplants are
various Oxytropis species ( Fabaceae ).
The larvae are attended by ants of the genera
Formica and Myrmica.
aggregate with other Polyommatinae to imbibe mineralised moisture fro
the edges of puddles and small streams. Both sexes visit a wide range
of flowers for nectar. The butterflies roost overnight on grass heads.