棉粉虱是一种杂食性害虫,自1999年在棉田发现以来,发生越来越普遍,危害逐年加重,除危害棉花外,还危害豆类和蔬菜等作物,阻碍了植株的正常生长发育,造成减产和品质下降。棉粉虱在豫东地区一年约发生9代,在保护地内越冬,成虫不善于飞翔,但能顺风迁飞1000米以上。在棉花植株上自下 Cottonfly is a omnivorous pest that has become more and more common since its discovery in the cotton field in 1999. The harm is increasing year by year. In addition to endangering cotton, it also endangers the crops such as legumes and vegetables, hindering the normal growth and development of the plant, Resulting in reduced production and quality decline. Cottonflies in the eastern region of about 9 occurred a year, overwintering in the protected areas, insects are not good at flying, but the wind can fly 1,000 meters away. On the cotton plant from below