椰心叶甲传入途径与入侵成因分析

The invasion pathway of Brontispa longissima (Gestro) to China and its causes

椰心叶甲Brontispalongissima(Gestro)是棕榈科植物的重要食叶害虫 ,是近年侵入我国的重要外来生物之一。文章分析了椰心叶甲传入途径 ,并从我国南方气候条件、寄主植物、资源生态位、生态系统结构和生活的微环境等方面分析了椰心叶甲的入侵成因。

Palm leaf beetle Brontispa longissima(Gestro),originating from the Pacific islands,was a newly invasive pest in China.It was very dangerous and devastating for the palm plants in South China and caused serious damage to Cocos nucifera in Hainan.Its invasion pathway to China and causes were concluded and discussed.It was pointed out that if the plam leaf beetle invaded a new region the eradication of the pest would be very difficult because of a wide range of host plants and suitable region,several generations a year,high components of fecundity and so on.It was thought that the climate and the host plants in South China were suitable for the pest's establishment.