杨树是北方较好的速生造林树种。由于各种因素的影响,杨树也是一个多病、多灾的树种。尤其杨树蛀干害虫是一类毁灭性害虫,它不但能造成输导组织的破坏,引起树木死亡,而且还会大大降低木材的经济价值。这些害虫除成虫期活动树体外,其余虫态均在寄主树木的韧皮部和木质部内生活。因此,受外界环境因素影响小,天敌相对较少,繁殖速度较快,防治难度大和防治效果差,常常能暴发成灾。黄斑星天牛在分布区内猖獗发生,致使大片林分枯死,损失严重。只有全面了解黄斑星天牛生活史及习性,实施全面监测、准确预测、科学防控,才能为防治提供科学、准确的基础决策依据,进而保护森林资源和生态安全。 Poplar is a better afforestation species in the north. Due to various factors, poplar is also a sick and disaster tree species. In particular, poplar stem borer pests are a group of devastating pests that not only cause damage to the conducting tissues, cause tree deaths, but also greatly reduce the economic value of the wood. In addition to the activities of adult pests during the tree, the other insect states are in the host tree phloem and xylem life. Therefore, affected by small external environmental factors, relatively few natural enemies, rapid propagation, prevention and treatment of large and difficult to control, often can outbreaks. Asteroidus occurs rampant in the distribution area, resulting in large areas of forest withers, the loss of serious. Only by fully understanding the life history and habits of C. Calyciflorus and implementing comprehensive monitoring, accurate prediction and scientific prevention and control can we provide scientific and accurate basis for decision-making, so as to protect forest resources and ecological security.