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首页> 外文期刊>Molecular phylogenetics and evolution >Molecular phylogeny of Allograpta (Diptera, Syrphidae) reveals diversity of lineages and non-monophyly of phytophagous taxa
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Molecular phylogeny of Allograpta (Diptera, Syrphidae) reveals diversity of lineages and non-monophyly of phytophagous taxa

机译：Allograpta（双翅目，Syrphidae）的分子系统发育揭示了植物噬菌体的谱系和非单性的多样性

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摘要

Phylogenetic relationships of genera Allograpta, Sphaerophoria and Exallandra (Diptera, Syrphidae) were analyzed based on sequence data from the mitochondrial protein-coding gene cytochrome c oxidase subunit I (COI) and the nuclear 28S and 18S ribosomal RNA genes. The three genera are members of the subfamily Syrphinae, where nearly all members feed as larvae on soft-bodied Hemiptera and other arthropods. Phytophagous species have recently been discovered in two subgenera of Allograpta, sg Fazia and a new subgenus from Costa Rica, Phylogenetic analyses of the combined datasets were performed using parsimony, under static alignment and direct optimization, maximum likelihood and Bayesian inference. Congruent topologies obtained from all the analyses indicate paraphyly of the genus Allograpta with respect to Sphaerophoria and Exallandra. Exallandra appears embedded in the genus Sphaerophoria, and both genera are placed within Allograpta. The distribution of phytophagous taxa in Allograpta indicates that plant feeding evolved at least twice in this group. (C) 2008 Elsevier Inc. All rights reserved.
机译：基于线粒体蛋白编码基因细胞色素C氧化酶亚基I（COI）以及核28S和18S核糖体RNA基因的序列数据，分析了Allograpta，Sphaerophoria和Exallandra（Diptera，Syrphidae）属的亲缘关系。这三个属是Syrphinae亚科的成员，几乎所有成员都作为幼虫在软体动物半翅目和其他节肢动物上觅食。最近在Allograpta的两个亚属（sg Fazia）和哥斯达黎加的一个新亚属中发现了食草物种，利用简约性，静态比对和直接优化，最大似然和贝叶斯推论对组合数据集进行了系统发育分析。从所有分析中获得的一致拓扑表明，Allograpta属属与球菌和Exallandra有关。 Exallandra似乎嵌在Sphaerophoria属中，并且两个属都位于Allograpta中。嗜藻类植物在Allograpta中的分布表明，该组植物进食至少进化了两次。 （C）2008 Elsevier Inc.保留所有权利。

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