In recent days, dead seedlings appeared in the field of pepper, and it was discovered that the soil at the base of the seedlings was damaged by earthworms. Grasshoppers, commonly known as white-earth silkworms and white silkworms, are polyphagous subterranean pests. It snaps off the roots and stems of the seedlings and causes the seedlings to die. Failure to prevent and control in time will result in the lack of seedlings and ridges. Control methods: 1. Chemical control. Acres 5% chlorpyrifos granules 2 to 3 kg, mixed with soil and then ditch the gutters, apply water after covering the soil once, or use 40% chlorpyrifos emulsifiable concentrate 380 to 400 ml per mu, mix slag or coarse sand 20 to 30 kg Open the ditch, or use 40% chlorpyrifos EC 380 ~ 400 ml per acre root, water immediately after application, can effectively control the hazards of earthworms. 2. Physical control. (1) Pesticide trapping. At the peak of adult emergence, the fresh eucalyptus twigs were cut into 50-70 cm long, sprayed on the branches with 40% chlorpyrifos EC 500-800 times, and inserted 4 to 5 per mu. (2) Fire traps. In the evening, select a large number of adults under the tree, pile up crop stalks or hay and other combustibles, ignite and shake the tree, adults will fly into the fire. Foam Dressing,Soft Elastic Waterproof Foam Dressing,Breathable Foam Dressing,High Absorbency Trauma Foam Dressing Zhende Medical Co.,Ltd , https://www.zdmedicalproduct.com