TY - GEN AU - Naglaa Fathy Reyad AU - Elsayed Shaurub , AU - Horria Ali Abd El Wahab , AU - Safia Hassan Ahmed , TI - Effect of the entomopathegnic nematode Steinernema riobrave , Heterorhabditis sp. , and the fungus Beauveria bassiana on the cotton leafworm , Spodoptera littoralis (Boisd.) (Lepidoptera : Noctuidae) / PY - 2005/// CY - Cairo : PB - Naglaa Fathy Reyad , KW - Entomopathegnic nematode KW - Fungus Beauveria bassiana KW - Spodoptera littoralis N1 - Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Entomology; Issued also as CD N2 - The cotton leafworm , Spodoptera littoralis (Boisd) was first encountered in Egypt and identified in 1865 Its attack on plants was observed in 1883 and since then this species has established itself as an injurious insect of great economic importance ER -