白杨透翅蛾属鳞翅目透翅蛾科,在干旱草原杨柳林中危害严重,幼虫钻蛀枝干,使被害处形成瘤状虫瘿,易造成风折或感染腐烂病而使树木死亡。一、形态特征成虫:体长10—21毫米,翅展20—28毫米,头部半球形,雌蛾触角栉齿不明显,端部稍弯曲。雄蛾触角有青黑色栉齿两列,端部栉齿较少。前翅狭长,覆以赭色鳞片,后翅透明。胸部青黑色。腹部圆筒形。1—5节各有一条橙黄色带。卵:黑色,椭圆形。幼虫:老熟幼虫黄白色,圆 Poplar through the Lepidoptera Lepidoptera through the moth family, in arid steppe willow forest serious damage, larvae drilling moths, so that the formation of nodular nocturnal, easily lead to wind break or infected with rot disease leaving the trees dead. First, the morphological characteristics Adult: body length 10-21 mm, wingspan 20-28 mm, the head hemispherical, the antennae of the female was not obvious, the tip slightly curved. Male antennae male black combs two rows, the end of the fewer combs. Long and narrow wings, covered with ocher scales, hind wings transparent. Chest blue-black. Abdominal cylindrical. 1-5 sections have an orange band. Eggs: black, oval. Larvae: mature larvae yellow-white, round