Two images, same butterfly, taken at Wiang Kosai NP, n Thailand. The underwing pattern looks like A. atrax, which is a common forest Arhopala there, but the upperwing shows a very narrow black border, which should be much wider on A. atrax.
Thoughts appreciated on the identification please.
It's A. silhetensis silhetensis. The post-discal spots in spaces 2 and 3 on the hindwing distinguish it from atrax. Also the submarginal markings on both wings
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Arhopala atrax or not?
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