Nacaduba beroe.
Male darkstriae weak to obsolete.
FW postdiscal band typically broken in the middle.
FW costal spot above the innermost cell band absent..diagnostic.

UpMale opaque violet blue.
UpFemale with 3 whitish submarginal spots.
Males.
https://www.ifoundbutterflies.org/me...949da7a9-1.jpg
https://www.ifoundbutterflies.org/me...95727b2f-1.jpg
https://www.ifoundbutterflies.org/me...c0b68f69-1.jpg
https://www.ifoundbutterflies.org/me...c0b68f69-2.jpg
https://www.ifoundbutterflies.org/me...9dbe22f4-1.jpg
Females.
https://www.ifoundbutterflies.org/me...ppil_aa537.jpg
Below both male & female berenice from Luzon are also N. beroe wrongly inserted.
http://www004.upp.so-net.ne.jp/jamid...duba-Phil.html
Singapore ssp neon female with a vague mark above the innermost band where a spot is normally absent.
https://www.butterflycircle.com/chec...5_1-copy-4.jpg