Catonephele numilia, the blue-frosted banner, blue-frosted Catone, Grecian shoemaker or stoplight Catone, is a butterfly of the family Nymphalidae found in Central and South America.

This butterfly usually flies along the ground and close to the ripe fruits and flowers.

Adults feed on rotten fruits, while caterpillars feed on Alchornea species (family Euphorbiaceae).

Catonephele numilia can be found in most of Central and South America.

This article related to members of the butterfly subfamily Biblidinae is a stub.