吕梁山林区油松蛀干害虫危害及风险性分析

摘要

吕梁山林区蛀干害虫主要有红脂大小蠹（Dendroctonus valens LeConte）、松幽天牛（Asemum amurense Kraatz）两种。采用人工诱捕和引诱剂诱捕的办法，对吕梁山国有林管理局16个有林单位进行了调查，摸清了蛀干害虫的种类及其分布、危害情况，并对有害生物松幽天牛进行了风险性分析评估，指出其评估值R＝1.68，属于中度危险性林业有害生物，应加强防范与管理。%The trunk boring pests in Lvliang montain’s forest area are mainly Dendroctonus valens LeConte and Asemum amurense Kraaatz. By using the artificial trap and attractants trap, this paper carries out an investigation on 16 units covered by forests under Lvliang Mountain State-owned Forest Administration, finds out the species of the trunk boring pests and their distribution and harm condition, and conducts a risk analysis and evaluation on Asemum amurense Kraaatz, and points out that its evaluation value R of which is 1.68, belongs to moderate dangerous forest pest, should strengthen the prevention and management of it.