张家口专区是河北省春小麦重点产区,尤以坝上地区,播种面积更为广阔,占总播种面积的20%左右。但单位面积产量极低,且不稳定,其原因除与耕作等因子有关外,常年遭受麦秆蝇的严重为害是主要原因。因此,解决麦秆蝇的为害,就成为坝上地区春麦增产上迫切 Zhangjiakou area is the key producing area of ​​spring wheat in Hebei Province, especially in Bashang area, sowing area is more vast, accounting for about 20% of the total sown area. However, the yield per unit area is very low and unstable. The reason for this is mainly due to the serious damage to the flies and pests of perennials except for the factors such as farming. Therefore, to solve the damage caused by straw flies, it has become an urgent need to increase the production of spring wheat in Bashang