光肩星天牛(Anoplophora glabripennis Motach)是杨、柳、榆等树种的主要蛀干害虫之一。近年来,在我区长子、高平、屯留、阳城、晋城等地猖獗发生,蔓延成灾。据受害严重的长子县调查:全县达椽材以上的杨树受害的约300万株,有虫株率80％;平均虫口密度32.7头/株,最高达172头/株。由于该虫的为害,受害木树干内虫道交错,树干外千孔 Anoplophora glabripennis Motach is one of the main stem pests of the species such as Yang, Liu and Elm. In recent years, the eldest son in my area, Gaoping, Tunliu, Yangcheng, Jincheng and other places rampant, spread disaster. According to the severely affected firstborn counties, about 3 million poplar trees were harmed in the whole county up to 30% of the poplar trees. The average rate of insect population was 80%. The average population density was 32.7 / plant, up to 172 plants per plant. As a result of the pest damage, the injured wood trunks of insects staggered thousands of holes outside the trunk