其害无穷棉花有很多害虫,其中一类既钻食棉株的嫩茎,又钻蛀棉蕾和棉铃,常常造成棉株断顶和蕾、铃脱落,严重影响棉花的产量和质量。也许是这个缘故,人们给它起了个名字,叫金钢钻。金钢钻有三种,即翠纹金钢钻、鼎点金钢钻和埃及金钢钻,它们的生活习性都很相似。金钢钻是一类昆虫。它们的一生都要经过卵、幼虫、蛹和成虫 The harmless cotton has a lot of pests. One of them is not only drilling the cotton stem’s tender stem, but also drilling cotton buds and cotton bolls. It often causes the top of the cotton plant to break off and the bud and bell fall off, which seriously affects the cotton yield and quality. Perhaps for this reason, people gave it a name, called Jin Dian. There are three types of diamond drills, namely, diamonds, steel drills and Egyptian gold diamonds. Their living habits are similar. Gold drills are a class of insects. They all go through eggs, larvae, cockroaches, and adults.