Erivan Anomalous Blue Polyommatus eriwanensis is a butterfly in the family Lycaenidae and the genus Polyommatus. It was described by Walter Forster in 1960.
The larvae feed on Astragalus species, although the particular species is still not known.[1] The flight period is from mid-June till mid-July.
Erivan Anomalous Blue inhabits calcareous grasslands in Armenia at the elevation from 1,200 to 2,200m above sea level.
Erivan Anomalous Blue is not evaluated for IUCN Red List and for European Red List of Butterflies. At the national level it is included in Armenian Red Book of Animals, as Endangered (B1a+B2a).[2]