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martinl is correct on this one. It is not in a Delias. Also, the butterfly in your link below is not Delias but Eurema sp. As in the case of your Appias zarinda zarinda the male is orange.
i think this is Delias (Genus) . . . and i have a spot of http://www.projectnoah.org/spottings/216...
This is an Albatross butterfly. The pointed wings indicate this.
The species is Appias nero but the males are orange and females are hardly photographed, so it is hard to find an image of yours
this shot is so amazing that almost everyone who has commented on it has only said one or two words- so here are my words: gorgeous.