我们在张北围场高原区、冀西北盆地区,冀北山地区、燕山地区、太行山地区和河北平原区等六个地形区选择五十六个县,就光肩星天牛的发生情况,进行随机抽样调查,调查结果简报如下:张北围场高原区没有见到光肩星天牛的为害。冀西北盆地区是山地,丘陵水土保持林区,杨、柳、榆等树种分布亦多,从本区选 We selected 56 counties in six topographical areas of Zhangbei Paddock, Hebei Northwest Peninsula, Hebei North Mountain, Yanshan, Taihang Mountain and Hebei Plain, and conducted random sampling surveys and surveys The briefing results are as follows: Zhangbei paddock plateau area did not see the damage caused by the light Shijian beetle. The northwestern Hebei basin is a mountainous and hilly area with water and soil conservation. There are also many tree species such as poplar, willow and elm distributed from this area