光利用一些昆虫特有的趋光性,在田间设置一定数量的灯具(常用的有黑光灯、频振式灯、紫外线等)来诱杀,如菜蛾、灯蛾、棉铃虫、跳岬、叶蝉、蝼蛄等多种害虫。色利用害虫对不同颜色的感应进行诱集或驱赶。如:用银灰色的薄膜覆盖番茄、辣椒可驱赶有翅 Light Use some insects unique phototaxis, set a certain number of lamps in the field (commonly used black light, frequency vibration lights, UV, etc.) to trap kill, such as diamondback moth, moth, cotton bollworm, cape, leafhoppers, And other pests. The use of pests on the different colors of induction or drive trapped. Such as: cover the tomato with a thin film of silver, pepper can drive winged