开远市素有天然温室之称,其生产的蔬菜品质好,品种多,一年四季均能生产。与此同时,也为蔬菜病虫的栖息提供了良好的生长环境,致使害虫发生较为严重,蔬菜上尤以斜纹夜蛾、小菜蛾、棉铃虫等鳞翅目害虫为害严重,并产生了较高抗性,致使防治上相当困难,目前已成为开远市蔬菜生产上的一大难题。作者就斜纹夜蛾的发生及防治进行了探讨。 Kaiyuan City, known as a natural greenhouse, its production of vegetables of good quality, variety, all year round can produce. At the same time, it also provided a good environment for the growth of pests and diseases of vegetables, resulting in serious pests. Vegetables, especially Spodoptera litura, diamondback moth, cotton bollworm and other lepidopteran pests seriously damaged and produced higher Resistant, resulting in quite difficult to prevent and control, has now become a major problem in the production of vegetables in Kaiyuan City. The authors discussed the occurrence and prevention of Spodoptera litura.