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当前位置: 首页 > 文章 > 寄生于杨潜叶跳象的3种金小蜂(膜翅目:金小蜂科)及1新种记述 林业科学 2008,44 (4) 93-97+179
Position: Home > Articles > Three Species of Genus Pteromalus (Hymenoptera:Pteromalidae) Parasitizing Rhynchaenus empopulifolis (Coleoptera:Curculionidae),with Description of a New Species from China Scientia Silvae Sinicae 2008,44 (4) 93-97+179

寄生于杨潜叶跳象的3种金小蜂(膜翅目:金小蜂科)及1新种记述

作  者：
姚艳霞;杨忠岐
单  位：
国家林业局森林保护学重点实验室中国林业科学研究院森林生态环境与保护研究所
关键词：
寄生蜂;新种;新记录种;金小蜂科;杨潜叶跳象;生物防治
摘  要：
对北京市密云县杨潜叶跳象(鞘翅目:象甲科)寄生蜂进行调查,发现杨潜叶跳象幼虫期寄生小蜂天敌共3种,属金小蜂科金小蜂属(包括1新种与1中国新记录种):密云金小蜂新种,皮金小蜂新记录种及瑟茅金小蜂。寄生蜂总自然寄生率达12.27%(±2.16%),是杨潜叶跳象生物防治的有效天敌资源。详细描述3种寄生蜂的外部形态特征,附有新种部分特征图,并列出寄生杨潜叶跳象3种金小蜂及新种近缘种的检索表。模式标本保存于中国林业科学研究院昆虫标本室。
译  名：
Three Species of Genus Pteromalus (Hymenoptera:Pteromalidae) Parasitizing Rhynchaenus empopulifolis (Coleoptera:Curculionidae),with Description of a New Species from China
作  者：
Yao Yanxia Yang Zhongqi(Key Laboratory of Forest Protection of State Forestry Administration Research Institute of Forest Ecology,Environment and Protection,CAF Beijing 100091)
关键词：
parasitic wasps;new species;new record species;Pteromalidae;Rhynchaenus empopulifolis;biological controlKey to three pteromalids parasitizing the leaf-miner weevil and other two relative species1 Male with mouth very wide,gena depressed fovea at mouth corner broad,malar space nearly absent2-Male with mouth normal,gena depressed fovea at mouth corner small,malar space distinctly present42 Female body green,POL less than OOL,head 2.0 times as broad as long in dorsal view,mesosoma coarsely reticulatedP.squamifer-Female body dark green,POL same or more than OOL,head more than 2.2 times as broad as long in dorsal view,mesosoma delicately reticulated33 Female with tegula dark brown and bronze-green metallic tint,antennae over vertex,marginal vein as long as stigmal vein,stigma capitateP.bifoveaolatus-Female with tegula yellow or testaceous,antennae reaching but not over anterior margin of median ocellus,marginal vein longer or shorter than stigmal vein,stigma not capitateP.miyunensis sp.nov.4 Female with mandible four teeth,propodeum more than a half of scutellum,nucha longer and about 1/2 of median area of propodeumP.procetus-Female with mandible three left but four right teeth,propodeum as long as a half of scutellum,nucha shorter,less than 1/2 of median area of propodeumP.semotus
摘  要：
Three pteromalid wasps of genus Pteromalus parasitizing larvae of Rhynchaenus empopulifolis(Coleoptera:Curculionidae)were found in Beijing,China,including a new species P.miyunensis sp.nov and a newly recorded species P.procetus,as well as another known species P.semotus.The total natural parasitism rate of these three species was about 12.27%(±2.16%).They may be potential natural enemies in biological control of the weevil.In this study,morphological characters of the three species were described in details,and photos of the important characters of the new species were provided.A key to these three species and other two relevant species to the new species was developed.The specimens are preserved in Insects Collection of China Academy of Forestry,Beijing.

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