The length of the forewings is 16–19 mm. Adults are similar to Oreta angularis, but the outer margin of the forewings is convex, not forming a triangle and there are two prominent oblique dark lines on the hindwings, as well as an oval dark spot in the cell., 1987: Studies on the taxonomy and zoogeography of the Chinese Oretinae (Lepidoptera: Drepanidae). Acta Entomologica Sinica 30 (3): 291–303.
