The Yellow Coster, Acraea issoria, is a small, leathery-winged butterfly

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

. This species and the Tawny Coster (Acraea terpsicore) are the only two India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n representatives of the predominantly African sub-family Acraeinae.

According to Talbot (Fauna of British India) the race anomala is found in the western Himalayas while the nominate form is from the eastern Himalayas.