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美国白蛾是重要的国际植物检疫害虫,被我国列为对外植物检疫对象、对内农业植物检疫对象和森林植物检疫对象。目前,辽宁、山东美国白蛾疫区从海上看距秦皇岛仅九公里左右,陆地上已传播到绥中县前所镇,距山海关边界仅20公里左右,疫情十分严峻,对河北乃至整个华北都构成了极大威胁。因此,应加强植物检疫和疫情调查工
American white moth is an important international phytosanitary pest, which is listed by our country as the object of quarantine of foreign plants, quarantine object of domestic agricultural plants and quarantine object of forest plants. At present, the white moth epidemic area in Liaoning and Shandong Province is only about nine kilometers from Qinhuangdao at sea. It has been spread to the former town of Suizhong County on land and only about 20 kilometers away from the border of Shanhaiguan. The outbreak is very serious and the epidemic situation is very serious to Hebei and the entire North China Constitute a great threat. Therefore, phytosanitary and epidemiological investigation workers should be strengthened