Reference
Christoph L. Häuser, Axel Steiner, Daniel Bartsch, Joachim Holstein (2009): On the identity of an enigmatic Delias from New Britain, Papua New Guinea:
Delias mayrhoferi Bang-Haas, 1939 and Delias shunichii Morita, 1996, syn. n. (Lepidoptera: Pieridae) – Nachrichten des Entomologischen Vereins Apollo – 30: 121 - 124.