Male Nacaduba berenice. Correction : Nacaduba hermus.
The two smaller 6-line blues, N berenice & calauria can sometimes be difficult to ID.
There are probably hybrids causing intermediates.
N. caluria; FW postdiscal band almost always straight, & unbroken.
There should not be any dislocation ie. breaks in the white striae forming the margins of the band.
FW only submarginal spots 4 & 5 pointed, somewhat triangular or haert-shaped.
All valid examples.
Pairs male on the right.
http://www.butterflycircle.com/check...enry%20Koh.jpg
http://www.butterflycircle.com/check...llen%20Tan.JPG
https://2.bp.blogspot.com/--p2l06_9H...330_094239.jpg
https://wanderingbutterflyeffect.fil...b3ad98860e.jpg
https://inaturalist-open-data.s3.ama...644/large.jpeg
https://inaturalist-open-data.s3.ama...659/large.jpeg
http://yutaka.it-n.jp/lyc4/81280010.html
N. berenice.
Variable. Typically some dislocation of FW postdiscal band ,usually mid at vein 4 or at vein 3 or 5.Also often rather crooked.
https://inaturalist-open-data.s3.ama...4594/large.jpg
https://inaturalist-open-data.s3.ama...4608/large.jpg
https://inaturalist-open-data.s3.ama...9959/large.jpg
http://www.butterflycircle.com/check...drick%20Ho.jpg
http://www.butterflycircle.com/check...hee%20Beng.jpg
http://www.butterflycircle.com/check...obby%20Mun.jpg
http://yutaka.it-n.jp/lyc4/81260020.html
TL Seow: Cheers.
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