土蝗是察右前旗农田和杂草的主要害虫之一，历年均有发生与危害，影响着农业生产的发展。一、发生与分布六十年代以来，土蝗的发生与危害日趋严重，七十年代中期，不少地方土蝗成灾，经过防治，到七十年代末，基本控制了对农田的危害。但近年来由于防治工作的不彻底，山区农田 Soil locust is one of the main pests of farmland and weed in Chaqianqian Banner. It has occurred and harmed over the years, affecting the development of agricultural production. I. Occurrence and Distribution Since the 1960s, the occurrence and harm of soil locusts have become increasingly serious. In the mid-1970s, many local soil locusts were plagued by diseases. After the prevention and treatment, by the end of the 1970s, they basically controlled the damage to farmland. But in recent years, due to the prevention and control work is not complete, mountain farmland