麦秆蝇是河套灌区小麦生产上的主要害虫之一。每年由于气候条件,品种的布局和生育期的差异,其发生期和发生量变化也较大,轻的年份不易发现,重的年份又因措手不及而造成严重损失。说明在农业生产上还没有取得防治上的自由。为此,对乌拉特前旗(以下简称乌前旗)和临河县麦秆蝇 Straw flies are one of the major pests in wheat production in the Hetao Irrigation District. Due to the difference of climatic conditions, variety distribution and growth period each year, the occurrence period and occurrence amount also vary greatly. The light years are not easy to find, and the heavy years cause serious losses due to being caught off guard. This shows that in agricultural production, there is still no freedom of control. To this end, Wulateqianqi (hereinafter referred to Wuqianqi) and Linhe County, the straw flies