Male Erionota acroleuca apicalis.


E. acroleuca. Relatively small FW 25 -27 mm. Palm feeder.

Male antennal club all white above.
Female antennal club half white.
HW bnad narrower in the upper half ,often ground heavily dark mottled.
FW mid termen (outer margin) straight.
http://yutaka.it-n.jp/hes/92340010.html
Male & female.
http://www.butterflycircle.com/check...nny%20Chir.jpg
http://www.butterflycircle.com/check...lt_male_02.jpg


E. thrax. Large FW 31 - 37 mm.
Male antennal club 2/3 white above, female half-white.
HW band nearly of uniform width; ground less heavily dark.
FW mid termen straight.
http://yutaka.it-n.jp/hes/92330001.html
Males.
https://encrypted-tbn0.gstatic.com/i...GlmUs&usqp=CAU
http://www.farelli.info/pages_books/...nota_thrax.htm
Female.
http://www.butterflycircle.com/check...2012--0060.jpg



E. torus. Large FW 30 - 36 mm.
Male antennal club 2/3 white; female half white.
HW band nearly of uniform width.
FW termen rounded, ie convex.
http://yutaka.it-n.jp/hes/92320001.html
Male India.
https://indiabiodiversity.org/files-...0torus/178.jpg
Females.
http://www.butterflycircle.com/check...0879-Copy5.jpg
https://alchetron.com/cdn/erionota-t...esize-750.jpeg
In some area form may have very broad wings eg HK female.
https://inaturalist-open-data.s3.ama...8022/large.jpg



TL Seow :Cheers.