Reference
Dieter Stüning (1994): On the identity of Ourapteryx ebuleata Guenee, 1857, O. multistrigaria Walker, 1866, and O. caschmirensis Bastelberger, 1911, with description of two new species (Lepidoptera: Geometridae, Ennominae) – Nachrichten des Entomologischen Vereins Apollo – 15: 109 - 134.