金钢鑽是棉花的重要害虫,许多产棉国家都遭到为害。幼虫除为害棉的蕾、花、铃等生殖器官外,也为害棉株的营养器官,尤其初孵化的幼虫往往蛀食嫩茎及叶芽或生长点,影响果枝生长。本文根据近二十多年国外文献记载加以综合,作一简单介绍,供参考。 目前已知有七种金钢鑽为害棉花:(一) Golden diamond is an important pest of cotton, many cotton producing countries have been harmed. In addition to damage the larvae of cotton buds, flowers, bells and other reproductive organs, but also damage the vegetative organs of cotton plants, especially early hatching larvae often eaten young stems and leaves buds or growth points, affecting fruit growth. This article based on nearly two decades of foreign literature to be integrated for a brief introduction for reference. At present, there are seven kinds of diamonds harm cotton: (a)