中国北部湾白骨壤红树林的虫害与研究对策  

Insect pests of Avicennia marina mangroves along the coast of Beibu Gulf in China and the research strategies

作　　者：范航清[1] 邱广龙[2] 

机构地区：[1]广西大学,广西南宁530004 [2]广西红树林研究中心,广西北海536000

出　　处：《广西植物》2004年第6期558-562,共5页Guihaia

基　　金：广西自然科学基金项目 ;全球环境基金资助 (UNEP/GEF)。

摘　　要：危害北部湾白骨壤的主要害虫是广州小斑螟 (Oligochroacantonella)幼虫、双纹白草螟 (Pseudcatharylladuplicella)幼虫和广翅蜡蝉 (Euricaniasp.)成虫。广州小斑螟喜食害白骨壤叶片 ,造成大量叶片的枯干和枝条的死亡 ,最高可导致林木 73 %的叶面积危害。室内培养发现广大腿小蜂 (Brachymeriasp .)、啮小蜂 (Tetrastichussp .)可寄生广州小斑螟的蛹 ,终止其羽化过程。虫害具有突发性、专一性、快速扩展的特点。海水淹没可明显抑制虫害。讨论了虫害的发源、爆发的原因、生态效应和防治途径 。Research result indicated that the thematic pests were Oligochroa cantonella larva with addition of a few larva of Pseudcatharylla duplicella and adults of Euricania sp. The insect of O.cantonella prefers leaves, resulting in dry of leaf and death of twig,leading to maximum damage of 73% forest leaf area. Laboratory incubation revealed Brachymeria sp.and Tetrastichus sp. may parasitize the pupae of O.cantonella,and terminate its process of eclosion. Inundation of sea water on stands can restrain pest infestation obviously. Moreover,the origin of pest,cause of burst,ecological effect,prevention and cure approach were discussed to offer suggestions for further studies.

关 键 词：虫害 幼虫 白骨壤 主要害虫 叶面积 叶片 枝条 大腿 爆发 死亡 

分 类 号：Q948.1[生物学—植物学] S763[农业科学—森林保护学]