Olepa neumuthi is a species of moth the family Erebidae. It is endemic to the Indochinese region and was discovered in 2011 by the German entomologist Hans Helmuth Neumuth (1942-2013) and classified by the French entomologist Georges E.R.J. Orhant., 2012: Olepa neumuthi espèce nouvelle de Thaïlande (Lepidoptera, Arctiidae). Bulletin de la Société Entomologique de Mulhouse 68 (4): 61-64.
The larvae only feed on Ricinus communis, which is curious because this plants produces the natural insecticide ricin.
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