Orsa is a genus of moths of the family Erebidae. The genus was erected by Francis Walker in 1865. Species Orsa deleta Hampson, 1924 Trinidad Orsa erythrospila Walker, 1865 Brazil (Amazonas) Orsa orbifera Hampson, 1926 Brazil (Espírito Santo) Orsa tenuata Kaye, 1901 Trinidad References Calpinae