Description : Acraea terpsicore, the tawny coster, is a small butterfly, measuring 53–64 millimetres, common in grassland and scrub habitats. It belongs to the Nymphalidae or brush-footed butterfly family. It has a weak fluttery flight. It is avoided by most insect predators. This species and the yellow coster (Acraea issoria) are the only two Indian representatives of the predominantly African tribe Acraeini. Sri Lanka.