Attack rates, progeny production, sex ratios, and host use efÞciency of Muscidufurax raptor Girualt and Sanders, Spalangia cameroni Perkins, S. endius (Walker), S. nigroaenea Curtis, S. gemina Boucek (Hymenoptera: Pteromalidae), and Dirhinus himalayanus (Hymenoptera: Chalcididae)were evaluated in laboratory bioassayswith Þve dipteran hosts: house ßy (Musca domesticaL.), stable ßy (Stomoxys calc...
