红脂大小蠹在辽宁地区的防控必要性及对策分析  

Necessity and countermeasures for prevention and control of Dendroctonus valens in Liaoning area

作　　者：李菊 LI Ju(Liaoning Forestry and Grassland Pest Control and Quarantine Workstation,Liaoning Key Laboratory of Forestry Dangerous Pest Control,Shenyang 110804,China)

机构地区：[1]辽宁省林业和草原有害生物防治检疫工作站,辽宁省危险性林业有害生物防控重点实验室,辽宁沈阳110804

出　　处：《中国森林病虫》2020年第4期6-10,共5页Forest Pest and Disease

摘　　要：红脂大小蠹Dendroctonus valens是我国重要的外来林业有害生物,辽宁地区于2017年首次发现危害。从红脂大小蠹的分布状况、扩散蔓延的可能性、潜在的危害性、寄主植物的经济重要性以及危险性管理难度等方面对其防控必要性进行定性和定量分析。结果表明:红脂大小蠹在辽宁地区属于高度危险的林业有害生物,应将其列为辽宁省重点防控对象,结合与松材线虫病在辽宁地区发生、分布及危害特性的异同,有针对性地提出红脂大小蠹防控对策建议。Dendroctonus valens is an important forest invasive insect in China.The hazard was first discovered in Liaoning in 2017.This paper conducted qualitative and quantitative analysis of necessity for prevention and control measures of D.valens on the distribution,the spread possibility,the potential hazard,the economic value of host plants,and the difficulty of management.The results showed that D.valens was a highly dangerous forest pest in Liaoning area,which should be listed as a key prevention and control object and take active prevention and control measures.Combining with the similarities and differences with the occurrence,distribution,and hazard characteristics of pine wilt disease in Liaoning area,specific countermeasures for the prevention and control of D.valens were proposed.

关 键 词：红脂大小蠹 防控必要性 防控对策 

分 类 号：S763.38[农业科学—森林保护学]