长期以来,人类对于农业害虫活动为害情况的了解,多是借助于各种可见光直接观察,或通过旁证分析而得,这未必能代表夜间活动的真实状况。国外已用夜视仪配合雷达、微光电视和飞机等,对粘虫、棉铃虫、 For a long time, human beings have learned more about the damage caused by agricultural pests and their activities by means of direct observation with various kinds of visible light or through circumstantial analysis, which may not necessarily represent the true state of night activities. Foreign countries have used night vision with radar, glimmer TV and aircraft, on armyworms, cotton bollworm,