直纹稻苞虫在长沙地区的发生规律及防治研究

Occurrence Regularity of Parnara guttata in Changsha Area and Its Control Method

直纹稻苞虫是水稻上的重要害虫之一,2011～2013年对长沙地区水稻直纹稻苞虫的发生情况进行了研究。结果表明：2011年度长沙出现了直纹稻苞虫的爆发突增现象,后2 a发生数量趋于稳定。针对直纹稻苞虫在长沙地区的发生情况,提出了防治稻苞虫的具体措施和方法。

Parnara guttata is one of the important insect pests of rice. The occurrence situations of Parnara guttata in Changsha area from 2011 to 2013 were studied. The results showed that there was a outbreak of Parnara guttata in Changsha in 2011, but the number of it tended to steady in the later two years. According to the occurrence situations of Parnara guttata in Changsha area, the detailed measures and method for controlling Parnara guttata were proposed.