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杨锦纹吉丁虫Poecilonota variolosa(Payk)分布于我省阳源、怀安、蔚县、青龙等县:国内分布于辽宁、吉林、黑龙江;国外分布于苏联及非洲北部。主要为害小青杨、青杨及小叶杨等杨属树种。以幼虫为害树干皮层、韧皮部及木质部,破坏输导组织,影响树木生长;被害处,树皮龟裂,组织坏死,易形成破腹,给木腐菌浸染创造条件,降低木材工艺价值,严重时树干造成风折。成虫飞翔力低,主要借助于交通工具,通过运输带虫苗木、原木及干材进行区域性传播,是我省重点检疫害虫之一。
Poecilonota variolosa (Payk) is found in the counties of Yangyuan, Huai’an, Yuxian and Qinglong in our province. It is distributed in Liaoning, Jilin and Heilongjiang provinces. It is distributed in the Soviet Union and northern Africa. The main damage Xiaoqing, Poplar and Populus and other Populus species. To larvae damage the trunk cortex, phloem and xylem, destruction of the guiding organization, affecting the growth of trees; victims, bark cracking, tissue necrosis, easy to form broken belly, to create conditions for wood rot dip, reduce the value of timber technology, serious Trunk caused by wind break. Adult flying low, mainly by means of transport, through the transport of insect seedlings, logs and dried wood for regional transmission, is one of the province’s key quarantine pests.