水椰八角铁甲在海南的风险性分析

Risk Analysis of Octodonta nipae in Hainan Province

水椰八角铁甲[Octodonta nipae(Maulik)]是椰子等棕榈科植物的主要害虫,国外主要分布马来西来和泰国等地,国内分布于海南(已除灭)、广东、广西、福建、云南等省。为尽早预防该虫传入,简要描述了水椰八角铁甲的生物生态学特性,并运用有害生物危险性分析(Pest Risk Analysis,PRA)方法,对水椰八角铁甲入侵海南的可能性进行定性和定量分析。结果表明,水椰八角铁甲在海南省的风险评估值R=2.01,属于高风险的林业有害生物。

Octodonta nipae is an important pest of palms, and is mainly found to attack palms in Malaysia and Thailand, as well as China （mainly in Guangdong, Fujian, Guangxi and Yunnan provinces）. It was once found in Hainan but now already disappear. In order to prevent the spread of the pest into Hainan province, the biological and ecological characteristics of O. nipae were described, and the invasion possibility of O. nipae into Hainan was analyzed by using the pest risk analysis. The results showed that the risk value of this pest was 2.01, which is high i risk as a forest pest.