Monitoring Resistance and Biochemical Studies of Three Egyptian Field Strains of (Lepidoptera: Noctuidae) to Six Insecticides.

Background: (Boisd.) is a prominent agricultural insect pest that has developed resistance to a variety of insecticide classes. In this study, the resistance of three field strains of collected over three consecutive seasons (2018 to 2020) from three Egyptian Governorates (El-Fayoum, Behera and Kafr El-Shiekh), to six insecticides was monitored.