1985年以来,中华稻蝗在我市广大稻区发生危害日趋严重。全市1985～1989年的各年发生面积分别为:0.2、16.9、29.2、25.7、83.0。万亩,已由次要害虫上升为主要害虫。作者近年来作了一些观察和调查,发现中华稻蝗在我市发生有其特殊的规律,因此,药剂防治策略也要作相应的调查。现简述如下。 Since 1985, the damage caused by Oxya chinensis in the vast rice area of ​​our city has become increasingly serious. The city’s annual area of ​​1985 to 1989 occurred respectively: 0.2,16.9,29.2,25.7,83.0. Mu, has risen from a major pest to a major pest. In recent years, the author made some observations and investigations and found that O. chinensis has its own special law in our city. Therefore, the strategy of preventing and controlling pesticides should also be investigated accordingly. Are summarized below.