稻纵卷叶螟(CnaphalocrocismedinalisGuenée)是福建省泉州市水稻的主要害虫之一,1年可发生6～7代。2004年第4、5、6代在双季晚稻区大发生,其发生程度为20世纪80年代以来最严重的1年。通过防治,大面积为害损失控制在经济允许水平之下,但一些严重受害的漏治田,卷叶率达60%～70%, Cnaphalocrocis medinalis Guenée is one of the main pests of rice in Quanzhou, Fujian Province. It can occur 6-7 generations in one year. In 2004, the fourth, sixth and sixth generation occurred in the double cropping rice area, its occurrence was the worst one year since the 1980s. Through prevention and control, the loss of large area damage control under the economic allowable level, but some serious victims of leakage Zhitian, roll leaf rate of 60% to 70%