Delias blanca is a butterfly in the family Pieridae. It was described by Cajetan Felder & Rudolf Felder in 1862. It is found in the Philippines and Borneo.
Delias blanca has the rounded wings in common with Delias battana, above throughout black-grey, with lighter central area on both wings and with very distinct whitish submarginal patches. â apameia subsp. nov., of which only females are known, with the submarginal spots blue-grey instead of whitish and placed further from the distal margin. The yellow discal region of the hindwing is more extended in North Philippine specimens. Mindanao, Davao; discovered by Dr. Platen â nausicaa Fruhst. (54 f). The upper surface is very similar to the figured under surface, only on the hindwing the basal region is less sharply defined and somewhat lighter. The submarginal spots of both wings indistinct and the yellow region more restricted than in blanca. Very rare, only the one pair in coll. Fruhstoefer known, which Waterstradt found on the KinaBalu
Delias blanca is a member of the Delias nyse species group.