二化螟在永康市已连续4 a大发生。近年来，随着轻型栽培技术的推广和农业机械化进程加快，机割面积迅速扩大。机割稻的稻桩高，是传统手割的 5～8倍，有利于二化螟的越冬。为明确机割田对翌年二化螟发生量的影响，作者对近年机割田与手割田的稻桩中二化螟越冬量进行了调查分析 Chilo suppressalis in Yongkang City has occurred for 4 consecutive days. In recent years, with the promotion of light cultivation techniques and the acceleration of agricultural mechanization, the area of ​​cuttings has rapidly expanded. Machine-made rice paddy pile height, is 5 to 8 times the traditional hand-cut, is conducive to the late stem borer Chilo suppressalis. In order to clarify the impact of cutting cropping on the occurrence of Chilo suppressalis in the following year, the author conducted an investigation and analysis of the overwintering amount of Chilo suppressalis in rice piles in the fields of cutting and hand cutting