棉蚜是全国棉花四大害虫之一,以往在我省仅棉苗期危害较重,近几年来不少棉地的伏蚜和秋蚜危害也相当普遍,百株蚜量高达四、五十万只以上,使棉株中,下部叶片上满是油亮发光的小点,叶片卷缩,影响棉花高产优质。 Aphis gossypii is one of the four major pests of cotton in the country. In the past, only the cotton seedling stage in our province harms seriously. In recent years, the harm of aphids and autumn aphids in many cotton fields is quite common. The population of one hundred aphids is as high as four or fifty Million or more, so that cotton plant, the lower part of the leaves full of shiny shiny dots, leaf curling, affecting cotton high yield and quality.