警惕外来危险性害虫椰蛀梗象入侵为害

Precaution of an alien coconut palm pest,Homalinotus coriaceus

椰蛀梗象Homalinotus coriaceusGyllenhal主要分布于南美洲的巴西、圭亚那、巴拉圭、阿根廷北部、厄瓜多尔、秘鲁、委内瑞拉,严重危害棕榈科植物。为警惕该虫的传入,对椰蛀梗象的分类地位、形态特征、分布、寄主、危害、生物学特性等作了简要介绍,并提出预防建议。

An invasive insect pest, Homalinotus coriaceus Gyllenhal （Coleoptera： Curculionidae） is very dangerous to palm tree, especially the coconut palm in South China because it was serious pest to those plants in Brazil, Guyana, Argentina, Paraguay, Ecuador, Peru, Venezuela in South America. A brief introduction including its taxonomy position, morphological features, distribution, hosts, harmfulness, biology and prevention suggestions was given in this paper.