Effect of Individual and Combined Treatment with Azadirachtin and Spodoptera littoralis Multicapsid Nucleopolyhedrovirus (SpliMNPV, Baculoviridae) on the Egyptian Cotton Leafworm Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) Journal title: Ecologia Balkanica Authors: El-Sayed Shaurub, Afaf El-Meguid, Nahla Abd El-Aziz Subject(s): Biological Sciences, Ecology