贵州苏铁负泥虫危害初报  

On the Harm Caused by Liloceris and Researches into the Control

作　　者：韦堂灵 韦堂梅 黄江华 张华海 

机构地区：[1]贵州省望谟县林业局,贵州望谟552300 [2]贵州省兴义市坪东林业站,贵州兴义552400 [3]贵州省林业厅,贵阳550001

出　　处：《贵州科学》2010年第2期93-96,共4页Guizhou Science

摘　　要：报道危害贵州苏铁(Cycas guizhouensis)的新害虫苏铁负泥虫(Lilioceris sp.)。苏铁负泥虫(Lilioceris sp.)的成虫、幼虫以贵州苏铁(Cycas guizhouensis)的嫩叶、叶柄为食,尤其以幼虫危害较为严重,受害植株嫩叶、叶柄被吃仅剩外表皮,叶片干枯,影响苏铁的正常生长发育和开花结果,严重的树势衰弱,逐渐死亡。苏铁负泥虫(Lilioceris sp.)在贵州望谟1a可繁殖4-6代,以蛹越冬。因天敌少,传播快,危害大,不仅危害贵州苏铁(Cycas guizhouensis)资源的生存和发展,而且威胁苏铁属(Cycas)其它种。Within the boundaries of Wangmo County,the resource of Cycas is seriously jeopardized by Liloceris sp,whose larvas and imagoes live on the the tender leaves and stalks of Cycas guizhouensis.In particular,the harm caused by the larvas is more serious.The tender leaves and stalks of the jeopardized Cycases are eaten up only to leave nothing but the outward skins,which has a bad effect on the normal growth for blossom and fruit - bearing of Cycas,even leads to feeble growth and gradual death.Liloceris sp can p...

关 键 词：苏铁负泥虫 贵州苏铁 危害 

分 类 号：S763.7[农业科学—森林保护学]