海南首次发现检疫性害虫褐纹甘蔗象危害槟榔

First report of damage of quarantine pest Rhabdoscelus lineaticollis(Heller)on Areca catechu in Hainan Province

褐纹甘蔗象是我国进境植物检疫害虫和林业危险性有害生物,此前未有在海南危害的报道。2021年5月至7月,笔者在海南省棕榈有害生物调查过程中,首次在五指山市南圣镇同甲村发现该虫危害槟榔,在此基础上本文对褐纹甘蔗象的危害症状、危害率、发生区域概况等进行了阐述,并提出了监控和防治建议。本文首次报道了褐纹甘蔗象在海南槟榔园的发生危害,为该虫的监测和防治提供了依据。

Rhabdoscelus lineaticollis(Heller)is an imported plant quarantine pest and a dangerous forestry pest in China.There had been no report on its occurrence in Hainan before.From May to July 2021,during the investigation of palm pests in Hainan Province,the author found R.lineaticollis harmed Areca catechu for the first time in Tongjia village,Nansheng Town,Wuzhishan City.On this basis,the harm symptoms,harm rate and occurrence area of R.lineaticollis were described,and the monitoring and control were also discussed.This paper reports the damage of R.lineaticollis in areca orchard in Hainan for the first time,which provides a basis for its monitoring and control.