1.

Ecological Studies on the Apple Clearwing Moth Synanthedon myopaeformis Borkh. (Lepidoptera: Sesiidae) in Apple Orchards at Menoufia Governorate, Egypt.

Pages 101-105
M. A. Batt; A. M. Abd El-Raheem
2.

Biochemical and Histochemical Responses of Nonhost Resistance in Cucurbits to the Compatible and Incompatible Powdery Mildew Pathogens

Pages 107-114
H. A. Ketta; S. M. Kamel; Naglaa A. Taha; Y. M. Hafez
3.

Influence of Bee Hives Position on Brood Rearing Activity and Stored Pollen in Honey Bee Colonies (Apismellifera L.).

Pages 115-118
H. M. Fathy; Laila El- Batran; M. A. Ali
4.

Comparative Life Table Parameters of the Vine Mealybug, Planococcus ficus (Signoret) (Hemiptera: Pseudococcidae), Fed on Some Ornamental Plants.

Pages 119-124
Ghada S. Mohamed
5.

Joint Action and Biochemichal Alteration in Egyptian Cotton Leafworm, Spodoptera littoralis (Boisd.) against four Insecticides from Different Groups

Pages 125-133
M. Y. Hendawi; A. A. M. Shalaby; W. M. H. Desuky; A. E. El-Morshedy
6.

Effects of Fenitrothion and Deltamethrin Insecticides on Certain Biochemical Parameters of Culex pipiens larvae

Pages 135-139
L. Youssef
7.

Impact of Sowing Dates and Certain Climatic Factors on the Population Dynamics of Key Insect Pests of Maize Plants

Pages 141-149
Y. E. Y. Abdallah; L. A. Youssef