Which Erionota?

Female Erionota acroleuca apicalis.

More recent research have shown the taxon (taxonoic name) acroleuca have priority over taxon hiraca which was named from an Andaman specimen.

This specimen is also abnormal in having wholly black club.

Erionota acroleuca.
FW termen (outer margin) straight, with an angulation at vein 5 near the apex.
HW patch narrow with a strong step ( space 6) in the upper half.
Ground dark shaded & heavily speckled & mottled with paler grey/brown.
Females.
https://3.bp.blogspot.com/-ChYou7mfL..._female_07.jpg
https://2.bp.blogspot.com/-oGOIfwCnq..._female_01.jpg
https://ftp.funet.fi/index/Tree_of_l.../torus-2fv.jpg
Female have little whitening of the FW tip.
https://1.bp.blogspot.com/-XVEhjq4t6..._female_01.jpg
https://1.bp.blogspot.com/-zmPmAYmoP...BS_male_01.jpg

Erionota torus. FW apex pointed & termen convex.
HW patch usually broadly uniform.
Ground not heavily speckled.
Females.
https://res.cloudinary.com/ppc1/imag...sopui2x0du.jpg
http://www.butterflycircle.com/check...2012--0882.jpg
Form with the HW patch similar to E. acroleuca, but step wider angle. Note it does not have the speckled mottled look.
https://encrypted-tbn0.gstatic.com/i...bfpxA&usqp=CAU

Erionota thrax.
FW margin straight ,apex not angulated at vein 5.
HW patch relatively broad throughout & less speckled.
Females.
https://www.ifoundbutterflies.org/me...unte_ag436.jpg
http://www.butterflycircle.com/check...2012--0060.jpg
https://inaturalist-open-data.s3.ama...jpg?1594554149
Form with HW patch similar to E. acroleuca but wider angle step .
http://blog.ub.ac.id/proteksitanaman...rax-thrax1.jpg

TL Seow: Cheers.