Trichopria stomoxydis n.sp., reared from puparia of Stomoxys nigra Macquart is described and redescriptions of the unique types of T. inconspicua (Kieff.) n.comb., T. oriphila Kieff. and T. congensis (Ghesq.) n.comb. are presented. A lectotype is designated for T. saxatilis (Kieff.) and the remaining two syntypes of that species in the BMNH are described as T. pseudosaxatilis n.sp. and T. nirva n.sp. Illustrations are given for all species.