一、前言 玉米螟是我省玉米、谷、高粱作物的主要害虫。在冬、春处理其越冬寄主,消灭越冬幼虫是防治玉米螟的一项重要措施。苏联把处理越冬寄主消灭越冬期的幼虫、低茬收获作为预防玉米螟为害的主要措施;罗马尼亚、匈牙利也大力推行处理玉米螟越冬寄主的方法,并且曾有在一定时期内处理完的规定。山西省长治专区曾因处理越冬寄主使玉米螟为害大为减轻。在河北省对这一措施虽然推广已久,在部分地区 First, the preface Corn borer is the main pests of corn, valley, sorghum crops in our province. It is an important measure to prevent and control Ostrinia furnacalis in winter and spring when its overwintering host is treated and the overwintering larvae are eliminated. The Soviet Union dealt with larvae and low-stubble harvesting wintering wintering wintering larvae as the main measures to prevent the damage to the corn borer. Romania and Hungary also vigorously promoted the method of handling the overwintering host of the rice borer, and there have been provisions that were processed within a certain period of time. Changzhi area of ​​Shanxi Province has dealt with the overwintering host greatly reduce the corn borer. Although Hebei Province has long promoted this measure in some areas