在所有灾害性外来物种中，美国白蛾的危害尤为突出，对这种毁灭性检疫害虫的防治也一直被认为是国际性的难题。在 20世纪最后阶段，陕西省防治美国白蛾工作终于取得了突破进展。依照原国家林业部《关于美国白蛾预测预报办法》的有关规定，省内残留的美国白蛾已经完全控制在有虫 Among all the catastrophic alien species, the damage is particularly prominent in the United States and the control of this devastating quarantine pest has also been considered as an international problem. In the final stage of the 20th century, breakthroughs were finally made in preventing and controlling American white moth in Shaanxi Province. In accordance with the relevant provisions of the former Ministry of Forestry, “on the American White Moth Prediction Forecast”, the remaining white moth in the province has been completely controlled in the presence of insects