1分布及危害榆毒蛾又名榆黄足毒蛾。分布在华北、东北、西北、江西、四川、山东、河南、河北、陕西、湖北、甘肃等省区。幼虫主要以白榆,长序榆,常绿榆,垂枝榆,春榆,大果榆,榔榆,毛榆等榆科植物为食。初孵幼虫只食叶肉,以后吃成孔洞和缺刻,受害处呈灰白色透明网状,为害严重时可将叶片食光,它的危害与美国白蛾相差无几。是城市绿化中垂榆的重要害虫之一。 1 Distribution and damage Ulnaris moth, also known as Yu Huang foot poison moth. Distribution in North China, Northeast, Northwest, Jiangxi, Sichuan, Shandong, Henan, Hebei, Shaanxi, Hubei, Gansu and other provinces. Larvae mainly white elm, long order elm, evergreen elm, weeping elm, spring elm, fruit elm, elm, elm and other elm plants for food. The newly hatched larvae only eat the mesophyll, later eaten into holes and nicks, victims at gray transparent mesh, the damage can be severe when the leaves light, its harm and the United States Ceratoides almost the same. It is one of the most important pests in plum trees in urban greening.