Male upper surface
(Photo: courtesy of Alan Cassidy, Thailand)

The forewings of the males are blue on top with a large black area around the wingtip. The hindwings are blue with a pale area along the hind margin.

Female upper surface
(Photo: courtesy of Alan Cassidy, Thailand)

The females on top are dark brown with some blue areas.

underside
(Photo: courtesy of Indra Bone, Christmas Island)

Underneath, both sexes are fawn with arcs of white markings under all four wings. Each hindwings also each have a orange-ringed black spot underneath beside the short white-tipped black tail.

Various subspecies occur across Asia, including

and in particular subspecies bochus has been found on

which is an Australian island, but the species has not actually been found on mainland Australia.

Further reading :

Caspar Stoll,
Papillons exotiques,
in Pieter Cramer:
De uitlandsche kapellen, voorkomende in de drie waereld,
Volume 3 (1782), p. 146, and also Plate 274, figs C, D.

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(written 25 May 2026)