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中国首次截获检疫性有害生物带木蠹象

2017-08-17 16:47:47   新华网

新华社海口8月17日电(记者代超)记者从海南出入境检验检疫局获悉,近日洋浦口岸截获检疫性有害生物带木蠹象,系在全国各口岸中首次截获这种有害生物。

近日,洋浦检验检疫局工作人员在来自乌拉圭的一批火炬松、湿地松原木中截获1种蛀干类害虫。经采样鉴定,确认为检疫性有害生物带木蠹象。经中国检验检疫科学研究院复核确认,该有害生物系在全国各口岸中首次截获。

据了解,带木蠹象寄主植物范围广,会对松属、云杉属、冷杉属等多种针叶木的树梢、顶部枝杈、树干、树皮及球果造成危害。该虫的卵、幼虫、蛹和成虫均可通过寄主植物携带传播,且适应能力强。

该虫原产于欧洲各国、亚洲的土耳其和西伯利亚、非洲北部,现已传入南美洲的乌拉圭、阿根廷、巴西和智利南部,给当地经济和生态造成严重损失。中国目前尚无分布报道。

据海南出入境检验检疫局工作人员介绍,海南森林资源丰富,其中霸王岭林区是中国热带天然针叶林集中分布面积最大的区域。同时,作为“岛屿型”省份,海南生态系统较为脆弱,抵御外来有害生物入侵的能力相对较差,该虫一旦传入并定殖,将对海南的林业生产和生态安全构成严重威胁。

目前,洋浦检验检疫局正依法对该批原木实施检疫处理,防止疫情扩散。

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