1.

EFFICACY OF CERTAIN BIO AND CHEMICAL INSECTICIDES AGAINST SUGAR BEET FLY AND SUGAR BEET TORTOISE BEETLE AND ASSOCIATED PREDATORS ON SUGAR BEET PLANTS IN KAFR EL-SHEIKH REGION

Pages 2833-2838
S. A. Kassem,; Asmhan E. Yousef
2.

ECOLOGICAL STUDIES ON CATTLE EGRET BIRD Bubulcus ibis AND ITS ASSOCIATEDECTO AND EN DO- PARASITES AT BENI SUEF GOVERNORATE, EGYPT

Pages 2839-2846
H. I. EI-Deeb,; S. S. Hussien; W. M. Gabr
3.

STUDYING SOME ECOLOGICAL ASPECTS ASSOCIATED WITH THE PREVALENT LAND SNAILS AT KAFR EL- SHEIKH GOVERNORATE.

Pages 2847-2853
H. I. EI-Deeb,; A. Abdel-Halim; I. Koutb; Fatma K. Khidr; Nadia M. Edress
4.

POPULATION DENSITY OF THE POMEGRANATE WHITEFL Y,Siphoninus phillyreae (HALIDA Y) (HOMOPTERA: ALEYRODIDAE) AND ITS PARASITOIDS IN MIDDLE EGYPT.

Pages 2855-2863
R. Y. Abdel Aleem,; G. A. Morsi; M. M. Metwaliy
5.

BIOCHEMICAL INTERACTION BETWEEN THE PLANT EXTRACTS AND THE ACTIVITIES OF A DIGESTIVE ENZYME, AMYLASE IN Spodoptera littoralis (80IS0.)

Pages 2865-2871
L. A. Youssef,
6.

EFFECT OF CERTAIN OPTICAL BRIGHTENERS ON THE SUSCEPTIBILITY OF Spodopter. littoral/s (BOISDUVAL) (LEPIDOPTERA: NOCTUIDAE) TO A BACULOVIRUS: EFFECT ON SOME BIOLOGICAL ASPECTS

Pages 2873-2886
S. EI-Salamouny,
7.

EFFECT OF LIGNIN COMPOUNDS AS UV PROTECTANTS FOR Spodoptera littoralis NUCLEO POLY HEDRO VIRUS

Pages 2887-2896
S. EI-Salamouny,; J. Huber
8.

STUDIES CONCERNING SOME PROPERTIES OF THE ENZYME PROTEASE IN THE COTTON LEAf WORM, SPODOPTERA UTTORAUS-(BOISD.)

Pages 2897-2906
l. A. Youssef,
9.

FUNGICIDAL ACTIVITY OF METARHIZIUM AN/SOPUAE AGAINST SOME LAND SNAIL SPECIES UNDER LABORATORY CONDITIONS.

Pages 2907-2911
H. A. A. Zedan,