棉蚜在棉花幼苗期、花铃期危害最为严重，发生量、发生代数较多，对棉花的高产、丰收威胁极大。每年棉花生产季节，棉农都不可放松对这种虫害的检查与防治。棉蚜先从越冬寄主上产生有翅蚜，开始迁飞棉田，落入小棉苗叶子背面或心叶，然后进行孤雌生殖（母蚜不经两性交配生... Cotton aphid in the cotton seedling stage, the most damaging during the flower-boll stage, the amount occurred, the occurrence of more algebra, the cotton yield, a great threat to harvest. Every year cotton production season, cotton farmers can not relax on the pest inspection and prevention. Aphis gossypii first winged winged aphids on the host, began to fly the cotton fields, fall into the back of small cotton seedlings or heart leaves, and then parthenogenesis (mother aphids without breeders mating ...