Cyclidia substigmaria is a species of moth in the family Drepanidae described by Jacob Hübner in 1831. It is found in Taiwan, China, India and Japan.
The wingspan is 55–65 mm.
The larvae are gregarious and specialist herbivores on Alangium species.
Subspecies Cyclidia substigmaria substigmaria (Taiwan, China and Vietnam) Cyclidia substigmaria intermedia Prout, 1918 (Tibet) Cyclidia substigmaria modesta Bryk, 1943 (Myanmar) Cyclidia substigmaria nigralbata Warren, 1914 (Japan, Korean Peninsula) Cyclidia substigmaria superstigmaria Prout, 1918 (India, Nepal)
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