内蒙古沙棘木蠹蛾风险分析

Pest risk analysis of Holcocerus hippophaecolus in Inner Mongolia

沙棘木蠹蛾是以危害沙棘为主的一种钻蛀性害虫,是我国公布的第一批林业危险性有害生物之一。从在内蒙古的分布状况、潜在的危险性、寄主植物的经济重要性、传播扩散的可能性和危险性管理难度等方面对沙棘木蠹蛾进行了风险分析,结果表明沙棘木蠹蛾在内蒙古自治区属高度危险性有害生物,对内蒙古的生态系统、水土保持及农林经济具有一定的危险性,须采取有效措施控制其危害和扩散。

Holcocerus hippophaecolus is a borer mainly attacking Hippophae rhamnoides L.. It is one of the dangerous forest pests firstly announced in our country. The pest risk analysis and evaluation of Holcocerus hippophaecolus in Inner Mongolia were dealt with in the aspect of distribution, patential risk, economical value of host plants, spread possibility and control. The result showed that R value of Holcocerus hippophaecolus was 2.2 and it was a high devastating forest pest in Inner Mongolia. And it was dangerous for the ecosystem, soil and water conservation and forest economy of Inner Mongolia. So it was important to take effective measures to control the damage and diffusion of Holcocerus hippophaecolus .