Ecological Aspects of Pear Psyllid, Cacopsylla pyricola (Hemiptera: Psyllidae), and Its Associated Natural Enemies, as A new Pest on Pear Trees in Egypt

Common pests of psyllids and whiteflies ( Hemiptera: Psylloidea: Aleyrodoidea) infesting orchard trees in Egypt.

Scale insects (Hemiptera: Coccoidea) infesting apple, apricot, pear trees and their abundant parasitoids in Egypt

FIELD EVALUATION OF SOME INSECTICIDES AGAINST PEAR PSYLLID, CACOPSYLLA PYRICOLA (FOERSTER) (HEMIPTERA: PSYLLOIDEA, PSYLLIDAE) ON PEAR TREES IN ISMAILIYA GOVERNORATE, EGYPT

MORPHOLOGICAL AND HISTOLOGICAL CHANGES IN PEAR TREES DUE TO THE INFESTATION WITH CACOPSYLLA PYRICOLA (FOERSTER) (HEMIPTERA: PSYLLIDAE)

Bionomics of the Pear Bud Mite Eriophyes pyri (Pagenstecher) (Acari: Eriophyidae) in Egypt

Economic threshold level of pear psyllid, Cacopsylla pyricola (hemiptera: psyllidae) On pear trees in Ismailia governorate

Effect of Biotic and Abiotic Factors on the Pear Psylla, Cacopsylla bidens (Šulc) Abundance of Pear Trees in Ismailia Governorate.

Key to the genus of Family Pseudococcidae in Egypt (Hemiptera : Coccoidea)

Scale insects (Coccoidae: Hemiptera) infested citrus trees and thier natural enemies, with a key of these pests in Egypt