Arhopala aida .

The FW spot 4 dislocation & the HW complete dislocation of the postdiscal band at vein 2 marks as a member of the alitaeus group.

A. pseudomuta (& alitaeus) have a spot at the base of space 10 which appear as a spot on top of the middle cell band.
http://www.butterflycircle.com/check...1---Horace.jpg

A. ariana in Thailand have a strong purple wash.
http://yutaka.it-n.jp/lyc4/82020001.html
https://en.wikipedia.org/wiki/Arhopa...naMUpUnAC1.jpg

A. aida have a slatey (greyish) wash & a rather straight FW margin.
https://thaibutterflies.com/Butterflies/arhopala-aida/


TL Seow: Cheers.