Many, see text Hypolycaena erylus, the common tit,[1][2] is a small but striking butterfly found in India and South-East Asia[3][4] that belongs to the lycaenids or blues family.

Bangladesh, Nepal, Sikkim, Myanmar, Cambodia, Thailand, Laos, Vietnam, southern Yunnan, Java, Lombok, Peninsular Malaysia, Sumatra, Borneo, Andamans, Nias, Sulawesi, Philippines, Sula, Bachan, Halmahera, Obi, Bismarck Archipelago and Waigeu.

The markings include:[5] The male butterfly is pale blue to dark brown above, dark shining purple depending on the light.

[5] The female butterfly is dark brown and its hindwing has a white disconnected discal band above the tornus.

Males are known to cluster at damp patches while the females are rarely seen.