1, light trapping and killing Light trapping and killing is a method of trapping and killing pests by using phototaxis. Lamps used for trapping and killing pests by light include black light, high-pressure mercury lamp and double-wave lamp. Lurking and trapping: Some pests have the habit of lurking under certain conditions. Using this habit, people can carry out targeted trapping and killing. For example, the adults of cotton bollworm and armyworm have the habit of lurking on poplar branches, so some poplar branches can be placed in a certain area to lure them to lurk and concentrate on killing.
2. Food trapping and killing uses substances that pests especially like to eat as bait to attract pests to concentrate on feeding and eliminate pests. Such as using syrup and vinegar to lure moths; Rotten pork and smelly fish attract flies; Horse manure, wheat bran, etc.
3. Color board trapping and killing Put some yellow boards coated with mucus or honey in the shed to trap aphids, let aphids and whitefly pests stick to the yellow boards, or use blue boards to trap and kill melon thrips. , play the role of prevention and control. The density depends on the species and density of pests and the area of yellow board. Usually put a piece every 30 meters.