近几年,稻蝗在我县稻区发生危害逐年加重,因蝗虫为害造成局部稻田成灾时有发生。如1986年6月25日笔者在禹王城区汪家冲村126.5亩湖田调查,一般每平方米有蝗虫14头,多的达58头;严重危害的面积13.5亩,占10.7%,造成缺刻面积104.3亩,占82.5%;一般田块每亩损失稻谷49.2公斤, In recent years, the rice locust in the rice area of ​​my county hazards have increased year by year, due to locust damage caused by local rice fields have occurred from time to time. As of June 25, 1986, the author investigated 126.5 mu of Hutian in Wangjacongcun, Yuwangcheng District. Generally, there are 14 locusts and 58 as many as 58 per hectare. The severely damaged area is 13.5 mu, accounting for 10.7%, resulting in a notched area of ​​104.3 mu Accounting for 82.5% of the total; paddy fields generally 49.2 kg per mu loss,