The relationship between the infection levels of Nosema apis parasites and epithelial cells of mid-gut of honeybee in Qena Government

Ultrastructure of the Midgut of theThird Larval Instar of Chrysomya megacephala (Diptera:Calliphoridae) fed on malathion treated diet

Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.)

Effect of insect growth regulators combined with nucleopolyhedrovirus on certain biological and histological aspects of Spodopera littoralis