稻纵卷叶螟在钦州市发生具有迁入早、峰次多、危害重、防治难度大等特点。根据2008~2012年测报资料对其主害代发生情况进行分析,结果表明,该虫呈“重发生~中等(较轻)发生~重发生”循环演变趋势,重发生年度间隔周期逐渐缩短,其中主害代为2、3代;其特重发生的原因主要与成虫迁入虫量大、气候及苗情适宜、防治缺位等因素有关。同时根据各地防治工作实践,提出抓防治适期、科学选药、用药适期、防治指标、天敌保护等治理措施。 Rice leafroller occurs in Qinzhou city has moved in early, peak times, endangering the heavy, difficult to control and so on. According to the data of the survey from 2008 to 2012, the analysis of the occurrence of its main damage generation showed that the insect was in the trend of “reoccurring ~ moderate (light) occurrence ~ reoccurrence”, and the cycle of reoccurrence was gradually shortened , Of which the main generation on behalf of the second and third generation; its main reason for the occurrence of heavy and adult immigrants into the worm, climatic and Miao appropriate, prevention and treatment of absence and other factors. At the same time, according to the practice of prevention and control in all localities, we put forward control measures such as appropriate period of prevention and treatment, scientific selection of drugs, appropriate period of drug use, prevention and control index and protection of natural enemies.