Deroca inconclusa is a moth in the family Drepanidae. It was described by Francis Walker in 1856. It is found in northern India, Myanmar, China (Sichuan, Yunnan, Shensi) and Japan.
The wingspan is 25–35 mm.Japanese Moths Adults are white, the wings nearly hyaline (glass like) with two incomplete pale greyish bands. One marginal and the other submarginal. The forewings have three pale greyish spots along the costa and one at the tip of the discal areolet.List of the Specimens of Lepidopterous Insects in the Collection of the British Museum 7: 1727
Subspecies Deroca inconclusa inconclusa (northern India, Myanmar, China: Sichuan, Yunnan) Deroca inconclusa carinata Watson, 1957 (China: Shensi) Deroca inconclusa phasma Butler, 1878 (Japan)
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