Beware of the second generation of armyworm larvae outbreak

Recently, the reporter learned from the National Agricultural Technology Extension Service Center Pest and Disease Forecasting Office that the first generation of armyworm insects in parts of Huanghuai and North China, the Mengzhou and Yongcheng of Henan, and the name of Hebei Daming have appeared in the past few days. Moth. Radar Trap Catches point aerial searchlight, Hebei Luancheng nearly ten thousand head, Beijing Yanqing up to 10 million head; southeastern Inner Mongolia, Heilongjiang southern lure large egg in some areas; recent Huang-Huai, north, northeast and other places have continuous precipitation process It is beneficial to the migration and occurrence of armyworms. It is estimated that the second generation of armyworms will have an area of ​​about 50 million mu, and the northern part of Huanghuai, North China and Northeast China will be more serious. Among them, the risk of concentrated outbreaks in the central and northern parts of Henan, southern Hebei, southeastern Shandong, southeastern Inner Mongolia, northwestern Liaoning, southwestern Heilongjiang, etc., where the amount of moths is large, eggs are high, and precipitation is high, the second generation of most regions The larvae occur in the middle and late June .

     According to the National Climate Center, in June , precipitation in most parts of Huanghuai, southern China, and eastern part of northwestern China was more than normal, which was very beneficial to the migration and occurrence of armyworms.