Oreta ancora is a moth in the family Drepanidae. It was described by Hong-Fu Chu and Lin-Yao Wang in 1987. It is found in China (Sichuan, Tibet) and Nepal., 2012: Revision of Chinese Oretinae (Lepidoptera, Drepanidae). Zootaxa 3445: 1–36.
The length of the forewings is 16–19 mm., 1987: Studies on the taxonomy and zoogeography of the Chinese Oretinae (Lepidoptera: Drepanidae). Acta Entomologica Sinica 30 (3): 291–303.
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