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This study was aimed to determine the recent status of insect pests infest the citrus trees (Baladi and Navel Orange) at Qalyubiyah governorate, Egypt. Study was conducted during visiting two orchards in Tukh area twice a month for nineteen continuous months. Seasonal abundance of the dominant species of insects pests infesting citrus trees and their natural enemies were also investigated. Thirteen insects pests species were found. They were belonging to families: Aphididae, Coccidae, Margarodidae, Diaspididae, Anthomyi, Aleyrodidae, Thripidae and Drosophilidae. Aphids were the most common pest attacking citrus trees. Its peak of abundance was between March and first week of April followed by significant numbers of scale insects and leaf miner, which were found in most months of the year. The natural enemies of citrus pests species were belonging to these taxonomic groups: Neuroptera, Hemiptera and Coleoptera, Hymenoptera and Acari.

Insects attack citrus trees in Al- Qalyubiyah Governorate, Eygypt