Simplicia cornicalis is a litter moth of the family Erebidae. The species was first described by Johan Christian Fabricius in 1794. It is found in south-eastern Asia and the Pacific. Records include New Caledonia, Réunion, Thailand, Fiji, Hawaii, India, Sri Lanka, the Society Islands, as well as New South Wales and Queensland in Australia. It is an introduced species in southern Florida and Louisiana in the United States.

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