稻飞虱、浮尘子是我县主要的害虫,年年发生为害,特别是稻飞虱,近几年来逐趋严重。一九六六年白背飞虱大发生,早稻有一万六千二百多亩受害,占早稻面积的百分之七十六,其中有五百亩近绝收。一九六九年,早稻受害一万五千六百二十五亩,占早稻面积的百分之八十九,有二千八百多亩近绝收。如丁墘大队罗昌洋生产队八亩间作早稻只收九十多斤秕谷。中稻全县发生四万二千五百亩,占中稻面积的百分之三十一,其中造成死苗的四百五 Planthoppers, floating dust son is the main pest in our county, pests occur annually, especially planthoppers, in recent years by the increasingly serious. In 1966, the white-backed planthopper occurred in large quantities. There were over 16,200 mu of morning sickness in early rice, accounting for 76% of the area of ​​the early rice. Among them, about 500 mu were almost never harvested. In 1969, early rice affected 15,625 hectares, accounting for 89% of the area of ​​the early rice. There were nearly 2,800 hectares of crops nearly deadly harvested. For example, Ding Tuan Brigade Luo Changyang eight acres of inter-team production for early rice only received more than 90 kilos Yat Valley. In the county, 42,500 mu occurred, accounting for 31% of the area of ​​medium-sized rice, of which 450 were dead seedlings