Natural Enemies of certain piercing sucking pests in Egypt

Biological control is satisfactory program in an integrated pest management. Control of insect pests by use parasitoids ,Pradetors and Pathogens in this study.Also, studying the biological aspects, host suitability, physiology of the most aphid parasitoid, and D. rapae on certain aphid species.Evaluating the role of the parasitoid, D. rapae in controlling the cabbage and cauliflower aphid under field conditions. Performance of parasitoid D. rapae and the biology on certain aphid species on both laboratory and field were evaluated.