Histopathological studies on the effect of some botanical extracts on the cotton leaf worm Spodoptera littoralis (Boisd) ( Lepidoptera: Noctuidae). 11- Effects on the midgut, integument and fat body. By: M.W.F. Younes, Faculty of science , Monoufia University , Shebin El-Kom , Egypt, Dept. of Entomology , Faculty of science m Benha Branch, Zagazig Univ. Published in L: The second scientific Conference on the Role of Science in the Development of Egyptian Society and Environment ,