Method for preventing and treating common gall midges

The invention belongs to the technical field of mango planting, and particularly discloses a method for preventing and treating common gall midges. The method for preventing and treating the common gall midges comprises the following steps that (1), a garden is thoroughly cleaned and the land is turned up; (2), pesticide is sprayed on the ground, specifically, chlorpyrifos is sprayed on the ground and surrounding weeds; (3), the whole garden is covered with weeding cloth; and (4), pesticide spraying for prevention and treatment are carried out, specifically, abamectin is sprayed when mango flower spikes grow to 2-5 cm, when the mangoe flower spikes grow to 10-15 cm, thiamethoxam and chlorpyrifos are sprayed, when mango florets bloom to 9%-12%, imidacloprid is sprayed, and when mango florets bloom to 30%-50%, acetamiprid is sprayed. According to the method for preventing and treating the common gall midges, the physical measure of covering the weeding cloth is combined with targeted pesticide application in th