Reference
Kazumi Kanoh, Gian Cristoforo Bozano (2017): Affinity of Aporia howarthi Bernardi, 1961 and A. goutellei (Oberthür, 1886) (Lepidoptera: Pieridae) inferred from morphology of male genitalia – Nachrichten des Entomologischen Vereins Apollo – 38: 165 - 168.