本报讯据监测,近期东北、华北、黄淮大部地区二代粘虫成虫进入盛发期,蛾峰明显,累计诱蛾量高于上年同期;华北、黄淮和东北部分地区降水天气多,北方大部气温偏低或接近常年,天气条件对粘虫繁殖和集中为害有利。预计三代粘虫在华北、东北、黄淮发生将重于上年,杂草多、地势低洼和湿度大地块有集中严重为害的可能;幼虫为害 According to the monitoring, the adults of the second generation of armyworm in the northeast, north China and most part of Huang-huai recently entered the peak-growing stage, the moth peak was obvious and the total amount of induced moths was higher than the same period of previous year. The precipitation weather in North China, Huanghuai and parts of Northeast China Most of the northern part of the temperature is low or near normal, the weather conditions beneficial to armyworm reproduction and concentration damage. The third generation of armyworms are expected to occur more frequently in North China, Northeast China and Huanghuai than in the previous year with more weeds, low-lying and humid plots, and serious damage to larvae