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首页> 外文期刊>Zoological Journal of the Linnean Society >Cryptic speciation associated with geographic and ecological divergence in two Amazonian Heliconius butterflies
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Cryptic speciation associated with geographic and ecological divergence in two Amazonian Heliconius butterflies

机译：与两个亚马逊直升机蝴蝶的地理和生态分歧相关的神秘形态

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摘要

The evolution of reproductive isolation via a switch in mimetic wing coloration has become the paradigm for speciation in aposematic Heliconius butterflies. Here, we provide a counterexample to this, by documenting two cryptic species within the taxon formerly considered Heliconius derneter Staudinger, 1897. Amplified fragment length polymorphisms identify two sympatric genotypic clusters in northern Peru, corresponding to subspecies Heliconius demeter ucayalensis H. Holzinger & R. Holzinger, 1975 and Heliconius demeterjoroni ssp. nov. These subspecies are reciprocally monophyletic for the mitochondrial genes COI and COII and the nuclear gene Ef1 alpha, and exhibit marked differences in larval morphology and host plant use. COI sequences from 13 of the 15 currently recognized subspecies show that mtDNA differences are reflected across the range of H. demeter, with a deep phylogenetic split between the southern and northern Amazonian races. As such, our data suggest vicariant speciation driven by disruptive selection for larval performance on different host plants. We raise Heliconius demeter eratosignis (Joicey & Talbot, 1925) to Heliconius eratosignis based on nomenclatural priority, a species also comprising H. eratosignis ucayalensis comb. nov. and three other southern Amazonian races. Heliconius demeterjoroni spp. nov. remains within H. demeter s.s., along with northern Amazonian and Guianan subspecies.
机译：通过开关在模仿翼色的开关的演变已经成为所谓的直升机蝴蝶的形态范式。在这里，我们通过在以前考虑的分类群岛内审议的螺旋荷尼乌乌斯Derneter Staudinger，1897中向这提供了一个反例。扩增的片段长度多态性鉴定秘鲁北部的两个SympaTric基因型簇，对应于亚种Heliconius Demeter Ucayalensis H. Holzinger＆amp; R. Holzinger，1975年和Heliconius DemeterJoroni SSP。 11月。这些亚种是线粒体基因COI和COII和COII和核基因EF1α的相互相当的单体细胞内，并且表现出幼虫形态和宿主植物使用的显着差异。来自15个目前公认的亚种的13个中的COI序列表明，MTDNA差异在H. Demeter的范围内反映，南部和北部亚马逊赛道之间的深线发育分裂。因此，我们的数据建议在不同宿主植物上对幼虫性能的破坏性选择驱动的牧师的形态。我们根据命名优先考虑培养HelicoNius Demeter Eratosignis（Joicey＆amp; Talbot，1925）到Heliconius Eratosignis，该物种还包括H. Eratosignis Ucayalensis Comb。 11月。还有三个南部亚马逊赛。 Heliconius DemeterJoroni SPP。 11月。遗骸在H. Demeter S.S.中，以及北部亚马逊和古安安安亚种。

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