斜纹夜蛾(Prodenia litura Fabricius)是1种重要农业害虫。近几年,该虫在我国各地大发生的频率明显提高[1￣3],为害日趋严重。其特点主要表现为发生范围广,食性杂,世代重叠严重,不同区域及寄主间发生程度差异较大,给测报与防治工作带来一定困难。为此,笔者以寿县当地斜纹夜蛾的 Spodoptera litura (Prodenia litura Fabricius) is an important agricultural pest. In recent years, the frequency of occurrence of the insects in various parts of China has obviously increased [1 ~ 3], and their harm has become increasingly serious. Its characteristics are mainly the occurrence of a wide range of dietary miscellaneous, serious overlap between generations, different regions and host large differences between the degree to the newspaper and prevention and control work to bring some difficulties. To this end, I Shushan local Spodoptera litura