河北省望都县的当地农民在展示黏虫（8月13日摄）。近日，受连续降雨影响，三代黏虫在河北省迅速蔓延，且发生面积大、范围广、密度高，为近20年来最严重的一次，全省发生面积近1000万亩。目前，幼虫即将进入暴食阶段，也是大秋作物生长的关键时期，一旦防治不及时，会造成严重减产甚至绝收。河北省各级农业部门坚持专业化统防统治与群防群治相结合、综合防治与应急防治相结合，组织农民群众集中力量、集中时间，力争在10天之内打赢黏虫除治歼灭战。 新华社记者 王晓 摄      At the county in hebei province are local farmers NianChong on the show（August 13, taken）。recently，Continuous rain by influence，Three generations in hebei province NianChong spread quickly，And in the case of area、range、Density high，For the past 20 years the most serious one，The case of area about 10 million acres。At present，Larvae is about to enter gluttony stage，Also is the key period of DaQiu crop growth，Once not timely prevention and control，They will cause serious production JueShou even。Hebei province agriculture department at all levels to professional TongFang rule and materialize combined、Comprehensive prevention and control and emergency control combined，The farmers organization focused on、Time to focus on，Strive to within 10 days NianChong win ChuZhi annihilation。 The xinhua news agency WangXiao perturbation 

    8月13日，河北省望都县的一名农民在农田里喷药除虫。新华社记者 王晓 摄      August 13,，At the county in hebei province is a farmer in the fields in addition to eliminate worm。The xinhua news agency WangXiao perturbation 

    8月13日，河北省望都县的农业技术人员在田里查看玉米受灾情况，指导农民及时除治三代黏虫。新华社记者 王晓 摄     August 13,，At the county in hebei province are agricultural technical personnel in the field to check the corn，Guide ChuZhi three generations NianChong farmers in time。The xinhua news agency WangXiao perturbation