草地螟在张家口市暴发成灾草地螟是属鳞翅目螟蛾科，是一种暴发性害虫，主要为害亚麻、豆类、甜菜、菜籽、胡萝卜、蔬菜、马铃薯、小麦、莜麦等农作物，还有藜科、蓼科、菊科杂草和牧草。建国以来曾２次在我国三北地区（华北、西北、东北）暴发成灾，今年正值草地螟第三个... Grasshopper outbreak in Zhangjiakou City Grasshopper is a Lepidoptera Pyrenidae, is an outbreak of pests, mainly harmful flax, beans, sugar beet, rapeseed, carrot, vegetables, potatoes, wheat, oats and other crops , And Chenopodiaceae, Polygonaceae, Compositae weeds and pasture. Two times since the founding of the People’s Republic of China in the three northern regions of China (North, Northwest, Northeast) outbreak of disaster, this year coincided with the third ...