草地螟属鳞翅目螟蛾科的一种杂食性、间歇性、突发性害虫。解放前,吉林省仅在有的年份局部地方发生。解放后,发生为害频率增加,特别是近几年,已成为农作物和牧草的毁灭性害虫。过去,我省对草地螟研究很少。为了控制其发生和为害,我们对它的发生规律及防治等做了调查研究,现将结果总结于后。一、分布和为害经查阅大量文献和近五年来对草地螟发生实况调查,草地螟主要发生在吉林省中、西部 Grass borer is a omnivorous, intermittent and sudden pest of Lepidoptera. Before the liberation, Jilin Province only occurred somewhere in some places. After the liberation, the frequency of harm has increased, and especially in recent years it has become a devastating pest of crops and pastures. In the past, there was very little research on meadow flies in our province. In order to control its occurrence and damage, we conducted a survey on the law of its occurrence and prevention and treatment. The results are summarized below. First, the distribution and damage After consulting a large number of literatures and the past five years on the occurrence of meadow moth live investigation, meadow moth mainly occurred in Jilin Province, the western