Delias bosnikiana Joicey & Noakes 1915 
Subspecies and range of Delias bosnikiana :
No subspecies
. bosnikiana - Biak island, Papua
Notes on Delias bosnikiana :
A very distinct species, smaller than candida, but closely allied to it. The underside pattern is similar to candida. It is the rarest of Delias species to be found on Biak.
It hasn't been seen since the 1990s and as Delias maudei is thought to be extinct by many entomologists.
Group isse species :