2011年黄淮海夏玉米区二点委夜蛾暴发危害的原因与防治对策

Reason Analysis on Proxenus lepigone Outbreak of Summer Corn Region in the Yellow River,Huai and Hai Rivers Plain and the Countermeasures Suggested

二点委夜蛾Proxenus lepigone(Moschler)是玉米上的新害虫,2005年首先在河北省发现危害夏玉米苗。2011年在黄淮海夏玉米区的河北、山东、河南、安徽、江苏、山西和北京7省(市)暴发危害,对夏玉米的生产造成严重威胁。结合二点委夜蛾近年来的发生情况及研究结果,对2011年二点委夜蛾暴发的原因进行分析,并提出防治对策。

Proxenus lepigone（Moschler）is a new insect pest of corn,which was firstly reported damage on seedling stage of summer corn in Hebei province in 2005.The outbreak happened in Hebei,Shandong,Henan,Anhui,Jiangsu,Shanxi and Beijing,where is the summer corn region in the Yellow River,Huai and Hai Rivers plain,and threatened the corn production of this region.The reasons that caused the Proxenus lepigone outbreak in the region in 2011 were analyzed in this paper,and proposed the control strategy for the insect pest based on the field investigation and research results,also the literatures.