Tholymis tillarga,[3] the coral-tailed cloudwing,[4][5] is a species of dragonfly in the family Libellulidae.

[6] It is found from tropical West Africa to Asia, Australia and the Pacific Islands.

Female is brown and lacks the cloudy-white patch in the hind-wings.

[12][13] It is a migrant with a permanent presence in humid parts of the tropics.

It breeds in standing water-bodies; and prefers weedy ponds, swamps and lakes.