Arhopala elopura dama

Swinhoe 1911 - Yellow-tailed Oakblue

So far, only found on Koh Pha Ngan, though its absence from Samui is probably only an oversight on my part.

Part of the Alitaeus group, which has a spot in space 11 of the underside forewing, just beyond the central cell spot, though, in this species, there is no spot at the base of space 10 above the central cell spot.

Very similar to A. ariana, but the usual underside markings are much fainter.

Flight Period



30 - 33mm

Early Stages

Not known

Larval Foodplant

Not known


Malaysia and Peninsular Thailand.