1. Effect of different temperatures on some biological activities of the parasitic wasp Bracon hebetor (Say) (Hymenoptera);Ahmed;Date Palm J.,1982
2. Biology of the parasitoid Bracon hebetor Say (Hymenoptera: Braconidae);AL-Ramahy,1983
3. The Genetics of Colonizing Species,1965
4. Intraspecific competition in the population dynamics of Bracon hebetor Say (Hymenoptera: Braconidae);Benson;J. anim. Ecol.,1973
5. Types of polymorphism;Berg;Vest. leningr. Univ. Biol.,1957