稻纵卷叶螟是水稻的主要害虫之一,其四(2)、五(3)代为害造成的白叶损失较为常见,且研究报道较多。近几年随着水稻群体质量栽培技术的推广和中、后期肥水水平的不断提高,稻纵卷叶螟的发生为害有向单季晚粳稻中后期发展的趋势。2002年六(4)代稻纵卷叶螟在常熟地区大发生,一般田块 The rice leaf roller is one of the main pests in rice. The loss of white leaf caused by four (2), five (3) generations of pests is relatively common, and many reports have been reported. In recent years, with the popularization of rice mass cultivation techniques and the continuous increase of fertilizer levels in the late stage, the occurrence of the rice leaf roller tends to degrade the development of late-season single japonica rice. In 2002 six (4) on behalf of the rice leaf roller in Changshu large occurrence, the general field block