BIOLOGICAL ASPECTS OF THE TORTOISE BEETLE, CASSIDA VITTATA VILL., ( COLEOPTERA: CHRYSOMELIDAE) AS AFFECTED BY FEEDING ON DIFFERENT SUGAR BEET VARIETIES

THE EFFICIENCY OF SOME INSECTICIDES ON TORTOISE BEETLE, CASSIDA VITTATA VI LL. INHABITING SUGAR BEET FIELDS

BIOLOGICAL ACTIVITY OF CERTAIN INSECTICIDES AGAINST THE TORTOISE BEETLE, CASSIDA VITTATA VILL. AND ASSOCIATE NATURAL ENEMIES IN SUGAR BEET FIELDS

ECOLOGICAL ASPECTS AND EGG PARASITISM OF THE TORTOISE BEETLE, CASSIDA VITTATA VILL., (COLEOPTERA: CHRYSOMELIDAE) ON SUGAR BEET IN DAKAHLIA GOVERNORATE

EFFECT OF CERTAIN INSECTICIDES AGAINST SUGAR BEET BEETLE Cassida vittata (VILL.) (COLEOPTERA: CHRYSOMELIDAE) INHABITING SUGAR BEET FIELDS.

Population Density of The Tortoise Beetle, Cassida vittata, Vill. (Coleoptera: Chrysomelidae) and The Role Predators on Sugar Beet at El-beheira Governorate

Efficacy of Insecticides against the Tortoise Beetle, Cassida vittata Vill (Coleoptera: Chrysomelidae) and the side effects on Predators in Sugar Beet Fields

PLANTING DATE IN RELATION TO CASSIDA VITTATA VILL. (COLEOPTERA: CHRYSOMELIDAE) INFESTATION AND YIELD COMPONENTS IN SUGAR BEET FIELDS

SEASONAL FLUCTUATIONS AND GENERATIONS NUMBRER OF TORTOISE BEETLE, CASSIDA VITTATA (Vill.) INFESTING SUGAR BEET PLANTS AND THE SOME ASSOCIATED PREDATORS, EGYPT

Effect of Some Pesticides, Sugarbeet Cultivars and Their Interaction on Population Density of Tortoise Beetle Cassida Vittata Vill and some Characters of Sugarbeet Cultivars at Nu