Hypoprepia cadaverosa is a moth of the Arctiidae family. It was described by Strecker in 1878. It is found in Colorado., Utah, South Carolina, South Dakota, Arizona, New Mexico and Texas. The wingspan is about 24 mm. The forewings are pale ochreous with three slate coloured bands. The hindwings are also ochreous, but somewhat paler. The costal margin is slate coloured. Adults are on wing from May to August.