Oedemasia concinna

Oedemasia concinna, the red-humped caterpillar moth or red-humped caterpillar, is a moth of the family Notodontidae. It is found from southern Canada to Florida and Arizona.
The wingspan is about. The larvae can grow to.
It inhabits mesic to wet broadleaf forests, including suburban parks and yards, preferably with open canopies. It is particularly common along forest edges, old fields, and powerlines, and in vernal wetlands, and shrub swamps. The larvae feed on a wide range of woody plants.