Evaluation of chlorpyrifos and Beauveria bassiana as a strategy in the Egyptian sugar beet fields: impact on Spodoptera littoralis (Boisduval) and its associated predators populations and the sugar beetroot yield. - Fergani, Yasmin Adel; Refaei, Elsayed Abd Elhameed; Faiz, Neven Mohamed; Hamama, Heba Mohamed (Egyptian Journal of Biological Pest Control, 2023)