1. Injury characteristics The corn scorpion sting commonly known as “fat-sucking or locust†is a hemiptera, a species of black cockroach. Hosts in corn, wheat, rice, and other nymphs and adults sucking juice at the base and roots of corn stems, after the 2-5 leaf corn seedlings were killed, the heart leaves wilting, the leaves become dead; 5-10 leaves were killed, leaves appeared After the growth point was stimulated, the new leaf was curled, thick, wrinkled, and split longitudinally. The plants and wilt were dwarfed and distorted. They were deformed and unrecognized. After the jointing, the corn was lightly damaged. 2. Countermeasures 1) Manually kill. The use of adults in the morning for unearthed feeding as harmful habits, killing adult insects on the surface, the insects have overlapping generations of the phenomenon, you need to repeat the kill several times in order to achieve better results. 2) Clear. The removal of weeds and debris around the farmland deteriorated the living environment of the blackbird. 3) Chemical control. 1 mu with phoxim 100g plus effective concentration 50% trichlorfon 50g, spraying 100 kg of water or irrigating roots, if applying herbicide before sowing and transplanting to remove weeds, then applying phoxim plus difenoxin Insect spraying, the effective period of sustainable development to adulthood. 2 acres of Bataan powder 100-150g, plus grass ash applied to the bottom or plant near the control effect is good. Http:// Non Contact Thermometer Gun,Infrared Thermometer,Safety Infrared Thermometer Dongguan Keyutai Mask Co., Ltd. , https://www.maskkytai.com