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小腹茧蜂亚科的雄外生殖器及族级单元系统发育的研究
引用本文:游兰韶,肖治术,柏连阳,周至宏.小腹茧蜂亚科的雄外生殖器及族级单元系统发育的研究[J].昆虫学报,2002,45(6):794-804.
作者姓名:游兰韶  肖治术  柏连阳  周至宏
作者单位:1. 湖南农业大学植物保护系,长沙,410128
2. 广西农业科学院植物保护研究所,南宁,530007
摘    要:对分布在东洋区和古北区的小腹茧蜂亚科 (膜翅目: 茧蜂科)21个属的67个种及外群折脉茧蜂属 (膜翅目: 茧蜂科) 2个种的雄外生殖器的5个性状进行了比较研究。在形态学研究的基础上,通过选用头部、胸部和腹部(包括雌雄外生殖器的性状) 等34个性状,运用支序分析的方法探讨了分布在东洋区和古北区的小腹茧蜂亚科21个属以及它们所属的族间的系统发育关系,并对Mason (1981) 的分类系统进行了重新评价。雄外生殖器和支序分析基本上证实并恢复了由Mason (1981) 确定的2个主要分支,即绒茧蜂族Apantelini+小腹茧蜂族Microgastrini和拱茧蜂族Fornicini+盘绒茧蜂族Cotesiini+侧沟茧蜂族MicroplitinI。绒茧蜂族Apantelini、拱茧蜂族Fornicini和侧沟茧蜂族Microplitini为单系群也被支持,但小腹茧蜂族Microgastrini和盘绒茧蜂族Cotesiini是否为单系群尚难于在树形图中体现,而且族内各属间的分支关系有变动。因此,尽管Mason的族级分类单元有一些欠缺,但仍是可信、实用的,不同意Walker等 (1990) 认为不应再使用Mason分族系统的观点。

关 键 词:小腹茧蜂亚科  雄性外生殖器  族级单元  系统发育  支序分析  
文章编号:0454-6296(2002)06-0794-011
修稿时间:2002年3月28日

On the external male genitalia and phylogenetic relationships of the tribal taxa of Microgastrinae (Hymenoptera: Braconidae)
YOU Lan Shao ,XIAO Zhi Shu ,BO Lian Yang ,ZHOU Zhi Hong.On the external male genitalia and phylogenetic relationships of the tribal taxa of Microgastrinae (Hymenoptera: Braconidae)[J].Acta Entomologica Sinica,2002,45(6):794-804.
Authors:YOU Lan Shao  XIAO Zhi Shu  BO Lian Yang  ZHOU Zhi Hong
Institution:YOU Lan Shao 1,XIAO Zhi Shu 1,BO Lian Yang 1,ZHOU Zhi Hong 2
Abstract:Five characters of the external male genitalia of 67 microgastrine species of 21 genera distributed in the Oriental and Palaearctic regions (including 14 genera known from China) and 2 species of Cardiochiles (as outgroup)were studied comparatively. Based on morphological studies, 34 characters including head, thorax, abdomen, female and male genitalia, and biological characters of 21 genera of 5 tribes were selected for cladistic analysis in an attempt to reassess the phylogenetic relationships among the tribes and genera of the Microgastrinae previously described by Mason (1981). The results generally supported Mason's framework of two main clades (Apantelini+Microgastrini) and (Forniciini+ Cotesiini+Microplitini) in the Microgastrinae. The tribes Apantelini, ForniciinI and Microplitini as monophyletic groups were also supported, but other two tribes, Microgastrini and Cotesiini, defined by Mason (1981) were not supported as monophyletic groups by the cladistic analysis. In conclusion, the tribes arranged by Mason (1981), although imperfect, are generally credible and applicable, and we consequently disagree with Walker et al.'s (1990) opinion that Mason's classification is not applicable.
Keywords:Microgastrinae  external male genitalia  tribal taxon  phylogeny  cladistics
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