埃及的棉花在整个生育期受各种虫害和病害的为害。为害较重的害虫主要有:棉叶夜蛾 Spodoptera littoralis(Boisduval),红铃虫 Pectinophora gossypiella(Saund-ers)和棉铃虫 Heliothis armigera(Hüb-ner)。在埃及棉花害虫的管理系统中,对各种害虫制定出经济阈值是一个相当重要的内容。整个管理系统包括农业的,机械的和化学的防治方法。本文有助于我们了解国外害虫管理,特别是第三世界重要产棉国的棉 Egyptian cotton is harmed by pests and diseases throughout its growth period. Major pests are: Spodoptera littoralis (Boisduval), Pectinophora gossypiella (Saund-ers) and Heliothis armigera (Hüb-ner). In the management system of cotton pests in Egypt, it is very important to set the economic threshold for various pests. The entire management system includes agricultural, mechanical and chemical control methods. This article helps us to understand foreign pest management, especially cotton in the third world’s major cotton producing countries