Birket-Smith 1965. A revision of the West African Eiiemic moths, based on the male genitalia (Lep., Arctidae, Lithosinae; incl. gena Crocosia, Eilema, Lith-osia, Pelosia, Pyrganopsis a.o.). Pap Fac Sci Haile Sellassie Univ Addis Ababa (C), no. 1 1965: 1-162