6月28日,全国农业技术推广服务中心下发了二代粘虫发生通知,称目前二代粘虫已进入低龄幼虫盛期,东北地区发生广,华北地区虫量高,黄淮局部危害重,部分地区虫口密度高于去年。初步统计,全国发生面积3521万亩,主要为害玉米、小麦、水稻、高粱和谷子等禾本科作物。 June 28, the National Agricultural Technology Extension Service Center issued a second generation of armyworm occurrence notice, said the second generation of armyworms have entered the prime of young larvae, northeastern region occurred widely in northern China, the high amount of pests, Huanghuai local hazards , Part of the population density higher than last year. According to preliminary statistics, an area of ​​35.21 million mu nationwide has occurred, mainly affecting gramineous crops such as corn, wheat, rice, sorghum and millet.