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美国白蛾是一种寄主范围广、传播速度快、危害猖獗的世界性检疫害虫.自1979年在我省9个县(区)发现以来,现已扩散到了3个市、13个县(区).为了使遭受美国白蛾危害地区及邻近地区的干部、群众都能正确识别这种害虫,现将美国白蛾及在我省已发现的几种与美国白蛾成虫相似的蛾类(白色种类)的特征介绍如下:
The American white moth is a world-wide quarantine pest which has a wide range of hosts, rapid propagation speed and rampant dangers. Since it was discovered in 9 counties (districts) in Shaanxi Province in 1979, it has now spread to 3 cities and 13 counties ) In order to make the cadres and masses in the areas harmed by the American white moth and its neighboring areas correctly identify the pests, the American white moth and several moths similar to American white moth found in our province (white Type) features are described below: