落叶松八齿小蠹的危险性分析

Risk Analysis of Ips subelongatus Motschulsky

根据国内外相关的文献,对落叶松八齿小蠹在我国的分布、控制措施、扩散蔓延的可能性、天敌及其制约能力、对经济和环境的影响等进行了概述,并应用多指标综合分析的方法对其传播蔓延的风险进行了评估,结果表明:落叶松八齿小蠹是我国落叶松Larixspp.等松树的重要有害生物,其风险值R为1.96,在我国属中度危险有害生物。

The distribution, control measures, possibility of spread, natural enemy and its control ability, influences on economy and environment of lps subelongatus in China are discussed by means of some related documents and reports both at home and abroad, and the risk of potential spread is analyzed using multi-index synthetic evaluation method. Result shows that I. subelongatus is an important pest species on Larix spp. in China. It belongs to a middle devastating forest pest in terms of its risk value （R = 1.96）.