Comparison between the Effectiveness of Certain Insecticides and Entomopathogenic Nematodes Against Tortoise Beetle, Cassida vittata (Vill.) in Sugar Beet Fields and Their Side Effects on Coccinella undecimpunctata
The tortoise beetle, Cassida vittata (Vill.) (Coleoptera: Chrysomelidae), is considered the most serious pest on Sugar beet, Beta vulgaris L.(Chenopodiaceae), in Egypt.Field evaluation of eight insecticides: chlorantraniliprole, thiamethoxam, lufenuron, methomyl, carbosulfan, chlorpyrifos,spinetoram and abamectin comparing with two strains of entom