棉蚜 (Aphis gossypii Glover)是新疆棉花、瓜菜的重要害虫 ,具有繁殖快 ,适应性强、种群数量大、危害严重的特点 ,常使棉花等作物产量大幅度下降。从 1 995年开始 ,我们对棉蚜的生活周期及繁殖进行了观察试验 ,以寻找可利用的薄弱环节 ,为棉蚜综合治理提供可靠依据。1　棉蚜生 Cotton aphid (Aphis gossypii Glover) is an important pest of cotton and vegetables in Xinjiang. It has the characteristics of fast propagation, strong adaptability, large population and serious harm, and often causes the yield of cotton and other crops to drop significantly. From1995 onward, we observed and tested the life cycle and reproduction of cotton aphid in order to find the weak points that could be used and provide a reliable basis for the comprehensive management of cotton aphid. 1 cotton aphid students