The 8 spp. of Euthore are keyed, discussed and their wing color patterns figured and tabulated, E. fasciata (Hag.) is polymorphic with 3 forms: sulfurata, plagiata, fasciata. none of which are valid species or subspecies. The 3 common genera; Euthore, Cora, Polythore are compared in detail and a key to males of all 8 polythorid genera is given.