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首页> 外文期刊>Zoological Journal of the Linnean Society >Systematics, cladistics and biogeography of the American genus Farrodes(Ephemeroptera : Leptophlebiidae : Atalophlebiinae)
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Systematics, cladistics and biogeography of the American genus Farrodes(Ephemeroptera : Leptophlebiidae : Atalophlebiinae)

机译：美国Farrodes属的系统学，分类学和生物地理学（Ephemeroptera：Leptophlebiidae：Atalophlebiinae）

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摘要

Cladistic and biogeographic analyses of the genus Farrodes are presented. Two species groups are delineated within Farrodes: F. caribbianus and F. binaculatus. Three species formerly placed in other genera-Thraulus caribbianus Traver, Thraulus roundsi Traver and Homothraulus maculatus (Needham & Murphy)-are transferred to Farrodes. The species of the F. carribbanus species group are revised. Three new species are described: F. savagei from Venezuela, F. maya and F. mexicanus from Mexico. Keys to separate the two species groups of Farrodes and the species of the F. carribbanus species group are provided. Successive cladistic analyses were carried out on both adult and nymphal characters using Hennig86 and CLADOS. The matrix was composed of all available data (nymphal characters were missing for some species), from nymphal and adult stages separately and on taxa represented by both adult and nymphal characters. Species of the genera Simothraulopsis and Homothraulus (components of the Farrodes lineage) were included in the analyses, and Ecuaphlebia was used as the outgroup. Results of the four analyses are compatible. The historical biogeography of Farrodes, with a distribution from northern Argentina to southern Texas, is analysed using the program COMPONENT. Areas of endemism are established, and some of their relationships compared with those of other groups available in the literature. (C) 1999 The Linnean Society of London.
机译：提出了对法罗德氏菌属的克拉德和生物地理学分析。在法罗德群岛中划出了两个物种群：卡氏弧菌（F. caribbianus）和宾氏菌（F. binaculatus）。先前放置在其他属中的三个物种-南美白屈菜（Trhaulus caribbianus Traver），Thraulus roundsi Traver和Homothraulus maculatus（Needham＆Murphy）-已转移至Farrodes。 F. carribbanus物种组的物种已修改。描述了三个新物种：来自委内瑞拉的野玫瑰果镰刀菌，来自墨西哥的F. maya和墨西哥尼亚镰刀菌。提供了区分Farrodes和F. carribbanus物种组两个物种的键。使用Hennig86和CLADOS对成年和若虫字符进行了连续的分类分析。该矩阵由所有可得的数据（某些物种的若虫字符缺失）组成，分别来自若虫和成虫阶段，以及由成年和若虫字符代表的分类单元。分析中包括Simothraulopsis和Homothraulus属的物种（Farrodes谱系的组成部分），以Ecuaphlebia为外群。四个分析的结果是兼容的。使用程序COMPONENT分析了Farrodes的历史生物地理分布，其分布范围从阿根廷北部到德克萨斯州南部。确定了地方病领域，并将它们的某些关系与文献中其他群体的关系进行了比较。 （C）1999年伦敦林奈学会。

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