棉蚜是我省棉花四大害虫(棉蚜、棉铃虫、红铃虫、红蜘蛛)之一。过去,棉蚜比较容易防治,一般在6月底以前防治基本结束。近十年来,棉蚜连年发生严重,特别是伏蚜危害猖獗,这是什么原因造成的?为了弄清这个问题,我们于1975年和1976年在汉阳、沔阳两县棉田对棉蚜的发生规律进行了观察研究。 Cotton aphid cotton is one of the four major pests in our province (cotton aphid, cotton bollworm, pink bollworm, spider mite). In the past, cotton aphids easier to control, generally in the end of June before the end of the basic control. In recent ten years, cotton aphid year after year serious, especially the aphid infestation rampant, which is caused by what? In order to clarify this issue, we in 1975 and 1976 in Hanyang, Shenyang two counties cotton aphid occurred The law was observed and studied.