| 1. | The relationship between the infection levels of Nosema apis parasites and epithelial cells of mid-gut of honeybee in Qena Government | |
| Pages 1-11 | ||
| Mohammed Z. Y. Aly; Karem M. Mohanny; Hoda S. Mohamedain; Rasha A. S. Elnasr | ||
| 2. | Ultrastructure of the Midgut of theThird Larval Instar of Chrysomya megacephala (Diptera:Calliphoridae) fed on malathion treated diet | |
| Pages 13-26 | ||
| Reda F.A. Bakr; Rawheia H. Ramadan; Sanaa El-Sawy; Samah M. A. Hussien | ||
| 3. | Histopathological effects of a mixture of two bioagents on the larval midgut of the cotton leaf worm, Spodoptera littoralis (Boisd.) | |
| Pages 27-35 | ||
| El-Banna A. A.; Abd El-Kareem S. M. I.; El-Akad, A. S.; Hussein M. A.; Fahmy A. R.; Bekheit H. K. | ||
| 4. | Effect of insect growth regulators combined with nucleopolyhedrovirus on certain biological and histological aspects of Spodopera littoralis | |
| Pages 37-42 | ||
| A. E. Abdel-Aal; A. Thabit; S. El Salamaouny; M. A.K. El-Sheikh; S. Elnagar | ||
