(Entomology) from Entomology Department, Faculty of science Ain Shams ,University,(1980). :(Medical Pest Control) from the Zagazig University, Faculty of Science, Benha,(1988). Effect of gamma radiation on the cotton leaf worm , Spodoptera littoralis ( Boisd) : I- Effect of different doses at two rates for each. Studies on the effect of gamma radiation on the cotton leaf worm, Spodoptera littoralis (Boisd). II- Effects of dose fractionation and pretreatment temperature. The effect of chronic irradiation on the biology of Musca domestica L. (Diptera, Muscidae) through successive generations. Toxicological studies on the effects of insect growth regulators synergized with surfactants against some developmental stages of Musca domestica. By Effects of three insect growth regulators and its synergism with surfactants on some biochemical aspects of the adult stage of Musca domestica Susceptibility of Musca domestica L. and Culex pipiens L. adults treated as pupal stage with Diazinon and its combinations with different concentrations of Nestapon. The Larvicides activity of surfactants on Musca domestica L. and Culex pipiens L. treated with Dursban and Permetlirin. Effects of Dietary Nestapon on Musca domestica and Culex Pipiens and its susceptibility to Dursban and Permethrin Toxicological studies on the effects of surfactants and two insecticides on Musca domestica and Culex pipiens Combined effects of gamma radiation and IKI as insect growth regulators on reproduction of the lesser cotton leaf worm Spodoptera exigua Biochemical studies on the effects of two Botanical extracts synergized with Tween 80 and Triton X – 20 on the larval stage of the lesser cotton leaf worm Spodoptera exigua Effects of plants extracts on pyrethroid resistance in the control program of the cotton leafworm Spodoptera littoralis (Boisd) (Lepidoptera :Noctuidae), By: Abul-Dahab, F. and M.W. F. Younes , Entomol . Dept. Fac. Of science Insecticidal and biochemical activities of Ricinus communis seeds extracts against the potato tuber moth, Phthorimaea operculella (Zeller). By: Abul-Dahab, F. Entomol Synergism of some plant extracts with Bacillus thuringiensis in the control of the potato tuber moth Phthorimaea operculella (Zeller) in Egypt Toxic action of some plants extracts on Musca domestica. By: Abul-Dahab, F. Entomol. Dept. Fac. Of Science Studies on the antifeeding, insecticidal and ovicidal effects of different plant oils against the larvae and egg masses of Phthorimaea operculella (Zeller). Antifeedant efficacy of neem ( Azadirachta indica A, Juss. ) seed kernels, seed coats and fallen leaves extracts against the lesser cotton leafworm Spodoptera exigua Histopathological studies on the effect of some botanical extracts on the cotton leaf worm Spodoptera littoralis (Boisd) ( Lepidoptera: Noctuidae). 11- Effects on the midgut, integument and fat body. By: M.W.F. Younes, Faculty of science , Monoufia University , Shebin El-Kom , Egypt, Dept. of Entomology , Faculty of science m Benha Branch, Zagazig Univ. Published in L: The second scientific Conference on the Role of Science in the Development of Egyptian Society and Environment , Efficacy of Bacillus thuringiensis serotypes and to plant extracts as biological control agents for the potato tuber moth, Phthorimaea operculella Evaluation of two plant oils in field control simulators and standard laboratory bioassays against resistant and susceptible strains of Bemesia tabaci. Effect of three different plant extracts as a tool in pest control of Musca domestica vicina ( Diptera : Muscidae Histopathological effects of some botanical extracts on the cotton leafworm Spodoptera littoralis ( Boisd ) Lepidoptera: Noctuidae ) . 1- Effects on the ovary and the testis