地下害虫是一类为害小麦的重要害虫熏主要为害小麦的种子及近地面的根茎部,常常造成缺苗断垄,甚至毁种重播。小麦地下害虫在我国冬小麦产区均有分布,以黄淮麦区和西北麦区等发生更为严重。据有关部门调查,我省近年地下害虫虫口密度远远超出地下害虫防治标准。因此,做好地下害虫 Underground pests are an important pest of wheat. Smoked mainly affects the seeds of the wheat and the rhizome near the ground, often resulting in the lack of seedlings breaking ridge, or even replanted. Wheat underground pests in China’s winter wheat production areas are distributed to the Huanghuai wheat and wheat fields in the northwest even more serious. According to the investigation of related departments, the population density of underground pests in recent years in our province far exceeded the standards for prevention and control of underground pests. So do underground pests