Atrophaneura schadenbergi

Atrophaneura schadenbergi is a species of butterfly in the family Papilionidae. It is endemic to the Philippines.

Description
P. schadenbergi Semp. Male above dark blue. Forewing with a white crescent at the costal and a white submarginal line. Under surface of both wings grey-black with red-brown undulate bands, forewing with three distal ocelli, of which the posterior ones are very indistinct. Hindwing with a row of six almost contiguous eye-spots, and a more proximally placed apical eye-spot, which is margined with reddish yellow. There are two forms of the female, one which Semper figures, with white anal area on the forewing and yellowish distal region on the hindwing, which is only quite narrowly margined with black-brown, probably belonging to the dry-season form and hebetatrix Fruhst.[♀ f. hebetatrix Fruhstorfer, 1908] (93 g), probably flying in the rainy season, and differing in the grey-brown inner margin of the forewing and the extended brown bordering of the hindwing. On the under surface all the white areas of the upperside are reproduced and also the disc of the hindwing is broadly pure white. By this white disc and the smaller eye-spots the female of schadenbergi is easy to distinguish from that of lorquini. Flies according to Semper in October, December and January. Mindanao, occurring throughout this large island.Karl Jordan in Seitz.