美国白蛾为多种林木和果树的危险性害虫,也是我国对外检疫对象之一。原产于北美,四十年代初由北美传入殴洲。第二次世界大战后又随美国的军需品传入日本,后又传入朝鲜。1979年在我国辽宁省东部地区首次发现。美国白蛾食性甚广,繁殖力强,幼虫又有较强 The American white moth is a dangerous pest of many kinds of trees and fruit trees, and also one of the foreign quarantine objects of our country. Originated in North America, from the early 1940s into North America assailed the continent. After the Second World War, it was introduced to Japan along with the U.S. military supplies and then to North Korea. In 1979, it was first discovered in the eastern part of Liaoning Province of China. American white moth feeding very broad, fertile, larvae have strong