The difference between A. dubius & jhora as given in the key of BMP (butterflies of the Malay Peninsula.)

Antennal apiculus beginning beyond the thickest part of the club, & usually at right angle to the club.............................................. A. jhora.

Antennal apiculus beginning at the thickest part of the club & not at right angle to the club. Wings more rounded....................................A. dubius.


It is impossible to judge the position of the apiculus except in a top down view in a set specimen.