The Main Insect Pests Attacking Wheat Plants and their Associated Predators in Sakha District, Kafr Elsheikh Governorate

During the two seasons of study, the most abundant order was Hemiptera, included cereal aphids. English grain aphid, Sitobion avenae Fab. was the common species followed by Rhopalosiphum padi (L.), Schizaphis graminum (Rond.), Rhopalosiphium maidis (Fitch) and Diuraphis noxia Mordvilko (Aphididae), Empoasca spp. (Cicadellidae), Nilaparvata lugens (Delphacidae), Limothrips  cerealium Haliday, Thrips tabaci Lindeman (Thripidae), Nezara viridula (L.), Eysarcoris inconspicuous (West.)(Pentatomidae), leaf-miner, Chromatomyia nigra (Meigen) (Diptra: Agromyzidae) were recorded in Egypt which caused a harmful losses of a green area of leaves, executed yield loss. Followed by Sphyrotheca spp.(order: Collombolla)and Silver Y moth, Phytometra gamma (Lepidoptera). In addition, eleven spots ladybird, Coccinella undecimpunctata (L.), was the most associated aphid specific predator, followed by others predators, Cydonia vicina isis Cr., Cydonia vicina nilotica Mul., Scymnus sp. and Rhyzobius litura Fab. (Coccinellidae), Paederus alfierii (Staphylinidae), Chrysoperla carnea (Steph.) (Chrysopidae), Metasyrphus corolla (Fab.) (Syrphidae) Orius sp. (Hemiptera).