阿拉善左旗臭椿沟眶象风险调查与评价分析  

Risk Survey and Evaluation Analysis of Eucryptorrhynchus Brandti in the Forests of Alashan Left Banner

作　　者：许静 杨芹 彭磊 黄静 侍月华 陈洁 XU Jing;YANG Qin;PENG Lei;HUANG Jing;SHI Yuehua;CHEN Jie(Alashan Left Banner Forest and Grassland Pest and Disease Prevention and Quarantine Station,Alashan Left Banner 750306,Inner Mongolia,China;Alashan Left Banner Public Welfare Forest Service Center,Alashan Left Banner 750306,Inner Mongolia,China)

机构地区：[1]阿拉善左旗林业和草原病虫害防治检疫站,内蒙古阿拉善左旗750306 [2]阿拉善左旗公益林服务中心,内蒙古阿拉善左旗750306

出　　处：《内蒙古林业调查设计》2024年第4期60-62,共3页Inner Mongolia Forestry Investigation and Design

摘　　要：通过采用踏查和详查相结合的方法对阿拉善左旗境内林地臭椿沟眶象(Eucryptorrhynchus brandti)发生情况开展调查和风险综合评价,反映臭椿沟眶象在当地危害风险状况,为制定防控对策提供可靠、翔实的科学依据。结果表明:臭椿沟眶象主要分布于巴彦浩特镇、腾格里额里斯镇、嘉尔嘎勒赛汉镇、温都尔勒图镇和乌斯太镇等林地,平均有虫株率达48%,平均虫口密度为8头/株,危害程度为中度,对当地臭椿(Ailanthus altissima)林分造成极大威胁;臭椿沟眶象风险评价值为1.76,属中度危险性林业有害生物。A combined method of general survey and detailed investigation was employed to assess the occurrence and conduct a comprehensive risk evaluation of Eucryptorrhynchus brandti in the forests of Ailanthus altissima Ditch in Alashan Left Banner,reflecting the local hazard and risk status of this pest.The results provide reliable and detailed scientific evidence for formulating control strategies.The study indicates that E.brandti is primarily distributed in the forest areas of Bayanhot Town,Tengglierlis Town,Jiaergalesaihan Town,Wenduerletu Town,and Wustai Town,with an average infested tree rate of 48%and an average density of 8 individuals per tree.The level of damage is moderate,posing a significant threat to the local Ailanthus altissima forest stands.The risk evaluation value of E.brandti is 1.76,classifying it as a moderately dangerous forest pest.

关 键 词：臭椿沟眶象 风险调查 定量分析 危险性综合评价 

分 类 号：S763.7[农业科学—森林保护学]