“…Laboratory studies have also been carried out to determine the biology of the parasitoids. They involved C. inamtus (Hegazi et al, 1974;Rechav & Orion, 1975;Rechav, 1978aRechav, , 1978bHafez et al, 1980;1981a, 1981bKolaib et al, 1987), M. rufiventris (Hammad et al, 1966;Altahtawy et al, 1972Altahtawy et al, , 1976aAltahtawy et al, , 1976bHegazi et al, 1977;Tawfik et al, 1981aTawfik et al, , 1981bHegazi et al, 1982Hegazi et al, , 1984Hegazi & Shabaan, 1984;Hegazi & Fiihrer, 1985;Hegazi et al, 1986;Ibrahim, 1987;Hegazi et al, 1990Hegazi et al, , 1991, B. hebetor (Gerling & Rotary, 1973) and Zele spp. (Ibrahim et al, 1987;Kolaib, 1987).…”