POPULATION DENSITY AND ACTIVITY OF THE WHITEFLY, Bemisia tabaci (GENNADIUS) IN COTTON FIELDS

POPULATION FLUCTUATIONS OF THE WHITEFLY Bemisia argentifolii BELLOWS AND PERRING AND THE LEAFHOPPERS INFESTING PEACH TREES AND THEIR PREDATORY INSECTS AT MANSOURA DISTRICT.

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

STUDIES ON THE BIOLOGICAL ASPECTS OF SILVER LEAF WHITEFLY Bemisia argentifolii (BELLOWS AND PERRING)WITH REFERENCE TO SQUASH LEAF CURL VIRUS(SLCV) INFECTION AT LABORATORY CONDITION.

Population Density of Empoasca Spp.;Liriomyza trifolii (Burgess) and the Common Natural Enemies on Faba Bean Plants in Relation to Sowing Dates in Kafr El-Sheik Governorate

Population Density of the Striped Mealybug Ferrisia virgata (Ckll.) (Hemiptera: Pseudococcidae) on the Ornamental Corn Shrubs, Dracena fragrans in Relation to Biotic and Abiotic Factors in Al-Zohria Gardens, Cairo, Egypt

SEASONAL ABUNDANCE OF THE POMEGRANATE WHITEFLY, Siphoninus phillyreae (HALIDAY)( HOMOPTERA : ALEYRODIDAE) AND ITS NATURAL ' ENEMIES POPULATIONS 0N OLIVE TREES IN EGYPT

POPULATION DENSITY OF THE BEET FLY, Pegomr'a mixta VILL AND THE BEET WEEVIL, Lixus junci BOHR ON SUGARBEET VARIETIES AND THEIR ASSOCIATED WEEDS AND STUDY THE SUSCEPTIBILITY OF CERTAIN SUGARBEET VARIETIES TO THESE INSECTS AT FAYOUM GOVERNORATE

POPULATION DENSITY OF CERTAIN PIERCING SUCKING PESTS INFESTING SOME OF SOLANACEAE PLANTS IN ISMAILIA GOVERNORATE, EGYPT

THE CHANGES IN POPULATION DENSITY OF APHIDS ATTACKING SOME MEDICINAL AND AROMATIC PLANTS IN EGYPT