美国白蛾是世界性检疫害虫。它食量大、食性杂,主要危害白蜡、泡桐、臭椿、桑树、榆树、杨树等。它繁殖力强,传播速度快,每头成虫产卵量平均为500—800粒,最多可达2000粒,每年繁殖2—3代,只要残存几头,经过一两年就会泛滥成灾,此外它具有传播途径多、耐饥力强、抗药性强等特点。美国白蛾原发于美国,1979年传入我国,先后在东北地区的丹东、大连、抚顺、本溪等十 American white moth is a worldwide quarantine pest. It appetite, dietary miscellaneous, the main hazards of white wax, Paulownia, Ailanthus altissima, mulberry, elm, poplar and so on. It reproductive ability, fast propagation, the average number of eggs per adult 500-800, up to 2000, 2-3 generations of breeding each year, as long as the remaining few head, after a year or two will flood, In addition, it has many routes of transmission, hunger resistance, resistance and other characteristics. American white moth originating in the United States, introduced to our country in 1979, successively in the northeast Dandong, Dalian, Fushun, Benxi and other ten