玉米螟是为害玉米的主要害虫,可使玉米减产8％～10％,严重可达20％以上。因此,在玉米主产区的各级植保部门一定要把玉米螟的防治作为一项重要工作来抓。 据吉林省气象台长期天气趋势预报,今年3～5月份全省气温正常稍高,降水正常。6～8月份全省气温正常,降水正常或略多,对玉米螟 Corn borer is the main pest infestation of corn, corn yield can be reduced by 8% to 10%, severe up to 20% or more. Therefore, plant protection departments at all levels in the main corn producing areas must take the prevention and control of corn borer as an important task. According to the long-term weather forecast of Jilin Meteorological Station, from March to May this year, the temperature in the province is slightly higher and the precipitation is normal. 6 ~ August the province’s normal temperature, normal or slightly more precipitation, the corn borer