美国白蛾属鳞翅目灯蛾科。寄主有桑、榆、法桐、海棠等300余种,寄主广泛,幼虫食树叶,且具暴食性,经常把整株树叶全部吃光,危害极大,是一种重要的国际性检疫害虫。形态特征:成虫为白色中型蛾子,体长9～17毫米,翅展25～45毫米。越冬代和第一代成虫有的前翅上有暗色斑点。雄蛾触角双栉状,雌蛾触角锯齿状;成虫前足基节及 White moth, Lepidoptera, moth family. Hosts have mulberry, elm, Fatong, Begonia more than 300 species, the host of a wide range of larvae feeding leaves, and binge eating, often the whole plant eaten all the leaves, endangering great, is an important international quarantine pests. Morphological characteristics: adults are white medium moths, body length 9 ~ 17 mm, wingspan 25 ~ 45 mm. Overwintering and some of the first generation of adults have dark spots on the front wings. Male antennae double-row antennae, female serratus serratus; anterior foot base and adult