美国白蛾(又名秋幕毛虫)属鳞翅目、灯蛾科。原发生于北美,1994年传入沈阳市,在园林树木上为害较重,此虫是一种典型的杂食性害虫,主要为害糖槭、臭椿、榆树、水曲柳、花曲柳、白蜡、杨树、桑树、杏树、等多种绿化树种,发生严重时可将树叶全部吃光,是国际性检疫害虫。 American white moth (also known as fall curtain caterpillar) is a Lepidoptera, moth family. Originally in North America, introduced to Shenyang City in 1994, heavy damage in the garden trees, the worm is a typical omnivorous pests, the main victims of sugar maple, Ailanthus, Ulmus, Fraxinus mandshurica, ash, Poplar, mulberry, apricot, and many other greening species, in case of serious all the leaves can be eaten, is an international quarantine pests.