稻纵卷叶螟属鳞翅目螟蛾科,群众称白叶虫、卷叶虫等。在江口历年都有发生,过去为害不重,没有引起重视。近年来,随着耕作制度的改革和双季稻种植面积的扩大,病虫的发生为害也起了相应的变化。就稻纵卷叶螟而言,由于早、中、晚稻插花混植,食料丰富,有利于纵卷叶螟的繁生,因而发生数量大大上升,为害显著增重,严重地影响到水稻的生长,是我省发展双季稻必须解决的一个重要问题,遵照毛主席关于“调查 Rice leafroller is a Lepidoptera Pyralidae, the masses called white worm, leaf roller insects and so on. In the past years have occurred in the estuary, the past is not heavy damage, did not attract attention. In recent years, along with the reform of farming system and the expansion of double-cropped rice planting area, pests and diseases have also taken corresponding changes. In the case of rice leaf roller, due to early, middle and late rice flower arrangement mixed, food is rich, is conducive to the success of the Cnaphalocrocis medinalis, resulting in a significant increase in the number, damage significantly increased weight, seriously affecting the growth of rice is An important issue that our province must solve for developing double cropping rice follows Chairman Mao’s “investigation.”