The Blue-frosted Banner, Blue-frosted Catone or Grecian Shoemaker (Catonephele numilia) is a butterfly of the Nymphalidae family. There is sexual dimorphism in the adults, with the males being black with six orange dots on the dorsal surface of the wings, whereas females are black with a light yellow band across the centre of the fore wings. This butterfly usually flies along the ground and close to the ripe fruits and flowers. It can live a month. Adults feed on rotten fruits, while caterpillars feed on Alchornia species (Euphorbiaceae).