TY - BOOK AU - Elsayed Mohammad Soliman Mokbel AU - Eman Mohammad Mostafa Radwan , AU - Eman Saed Hassan Swelam , AU - Mohammad Abdelhady Kandil , TI - Further studies on inscticides resistance in the cowpea aphid / PY - 2013/// CY - Cairo : PB - Elsayed Mohammad Soliman Mokbel , KW - Acctamiprid KW - Aphis craccivora KW - Chloropyrifos-methy1 N1 - Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides; Issued also as CD N2 - The cowpea aphid, Aphis craccivora (Koch) is an important pest of legumes crops in Egypt. Aphid has developed resistance to many insecticides. Organophosphates are considered important group of insecticides being used against piercing insects, in addition to neonicotinoids which introduced to the market science 1990. This study was carried out to explore resistance characteristic of cowpea aphid to chloropyrifos-methy1 and acetamiprid and studying some biochemical and genetic differences ER -