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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Sympatric speciation through intraspecific social parasitism
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Sympatric speciation through intraspecific social parasitism

机译：通过种内社会寄生虫进行同胞形态形成

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Sympatric speciation through intraspecific social parasitism has been proposed for the evolution of Hymenopteran workerless parasites. Such inquilines exploit related host taxa to produce their own sexual offspring. The relatedness of inquilines to their hosts has been generalized in Emery's rule, suggesting that social parasites are close or the closest relatives to their host species. If the closest relative of each parasite is its host, then multiple independent origins of the parasite species are implied even within a single genus, probably through sympatric speciation. To test the plausibility of sympatric speciation in inquilines, we conducted a mitochondrial DNA phylogenetic analysis in three inquiline-host pairs of Myrmica ant species. We show that congeneric inquilines have originated independently several times. We also show that two of the inqulines are more closely related to their hosts than to any other species. Our results suggest sympatric speciation of Myrmica inquilines. Sympatric speciation is probably facilitated by the social biology and ecology of Myrmica, with polygyny as a prerequisite for the evolution of intraspecific parasitism. [References: 76]
机译：已提出通过种内社会寄生虫的同伴物种形成用于膜翅目无工人寄生虫的进化。这样的询问利用相关的寄主分类来产生自己的性后代。询问与寄主之间的相关性已在埃默里法则中得到了概括，这表明社交寄生虫与其寄主物种是近亲或近亲。如果每个寄生虫的最亲密的亲戚是其寄主，那么即使在单个属中，也可能暗示了寄生虫物种的多个独立起源，这可能是通过同胞物种形成的。为了测试同胞同胞物种形成的合理性，我们在三对成对寄主蚂蚁物种中进行了线粒体DNA系统发育分析。我们显示同类询问已经独立起源了好几次。我们还表明，其中两个队列与它们的寄主比与其他任何物种的关系都更紧密。我们的研究结果表明，Myrmica的同胞同种体。 Myrmica的社会生物学和生态学可能促进同胞形态的形成，一夫多妻制是种内寄生虫进化的先决条件。 [参考：76]

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