Delias biaka

MORPHOLOGY


External characteristics


Male 
Forewing length (mm): 31 (Joicey and Noakes, 1915).
Forewings: The forewing upper side has black dusting (Pequin, 2021). Hindwings The hindwing underside has orange suffusion (Pequin, 2021).

Female  
The females generally have a different underside wing surface than the males, by being darker with broader margins on both wings (D'Abrera, 1982).  

Subspecies and variation

 
No subspecies (Pequin, 2021).

Similar species

This species is very similar to Delias hippodamia, but the male can be distinguished by the greater black dusting on the forewing underside and the reduced orange coloured suffusion on the hindwing underside. The female of this species has considerable enlarged dark markings on both sides of the hindwing (Pequin, 2021).

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