《环境昆虫学报》

草地贪夜蛾Spodoptera frugiperda（Smith）原分布于美洲热带和亚热带地区，是一种严重威胁农业生产的害虫。该虫具适生区域广、寄主范围宽、增殖潜能强、扩散速度快、突发危害重等显著生物学优势，因此，防控难度很大。目前，该虫已分布至全球100个以上国家。2019年1月11日我国云南发现其入侵，至5月21日已在14省（自治省区、直辖市）发现其危害，发生面积138.4万亩。草地贪夜蛾按寄主偏好性可分为“玉米型”和“水稻型”，“玉米型”偏好玉米、高粱和棉花等，“水稻型”偏好水稻等，目前入侵我国的为“玉米型”，尚未发现“水稻型”。草地贪夜蛾的入侵将严重影响我国玉米、甘蔗等种植业。本文综述了草地贪夜蛾的发生为害特点、防控技术，并对该虫防控策略进行了探讨，以期为有效防控该虫提供参考。

英文摘要:

Native to the subtropical and tropical regions of America, the fall armyworm Spodoptera frugiperda is a serious agricultural pest.S.frugiperda is hard to manage because it displays widely adaption to host plants and climate, strong reproductive capacity, fast dispersal speed, and serious sudden plant damage.Now, it was found in more than 100 countries in the world.In January, 11th, 2019, S.frugiperda was firstly found in China in Yunnan and expanded to more than 300 counties of 14 provinces of China in May, 21th, 2019.There is two strains of S.frugiperdai.e.corn strain and rice strain which have different host plant preference. Corn strain prefers to corn, cotton and sorghum, and rice strain prefers to rice and some grasses. Corn strain was confirmed, but rice strain was not found in China until now.S.frugiperda will be a major pest of corn, sugarcane and rice in South China since climate and rich host plants in this region are suitable for the pest.This paper reviewed the biology of S.frugiperda and current management technology. Base on the characteristics of cropping system in South China, we proposed suggestions on S. frugiperda management attempting to protect agricultural production safety.

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