云南甘蔗地下害虫猖獗原因及防治对策

在总结云南甘蔗地下害虫发生特点的基础上，分析猖獗发生的原因，主要与复杂性虫源、寄主植物、种植制度、天敌等因素有关。根据地下害虫的发生为害特点，提出以农业防治、生物防治为基础，物理防治灯光诱杀为辅，减少虫源；统一化防为重点和抓好关键时期科学用药的综合防治措施，可持续、有效控制甘蔗地下害虫发生为害。

The causes for rampage of underground sugarcane pests in Yunnan and its control strategies

Underground pests are important pests that endanger sugarcane production in Yunnan.This pest has broken out one time every three to four years since the 1980s, in particular in 2006 when the pest occurred very seriously.In this paper,the characteristics of the outbreak of this pest were summarized,and the causes for rampage of this pest,including many factors such as pest complex,host plants,plant systems,natural enemies and their defensive strategies and measures of prevention and cure were analyzed.According to the traits of outbreak and damage of the underground pests,the synthetic measures of prevention and cure were put forward,which were based on agricultural and biological control,combined with physical control and unified chemical control during critical periods.The strategies controlled underground sugarcane pests persistently,rapidly and effectively.