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首页> 外文期刊>Invertebrate Taxonomy >Austrobates rivularis gen. et sp. nov., a freshwater relative of Halobates Eschscholtz (Hemiptera : Gerridae), with a new perspective on the evolution of sea skaters
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Austrobates rivularis gen. et sp. nov., a freshwater relative of Halobates Eschscholtz (Hemiptera : Gerridae), with a new perspective on the evolution of sea skaters

机译:Austrobates rivularis gen。等。十一月,Halobates Eschscholtz(Hemiptera:Gerridae)的淡水亲属,对滑冰运动员的进化有了新的认识

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摘要

The sea skaters, genus Halobates Eschscholtz (Gerridae : Halobatinae), include the only known oceanic insects, although most species of Halobates and the related genus Asclepios Distant are found in sheltered coastal waters. In this paper we describe a freshwater relative of these marine genera, Austrobates rivularis, gen. et sp. nov., from Cape York Peninsula, Queensland, Australia. Although the new species has a mixture of characters shared with Asclepios and Halobates (tribe Halobatini) a phylogenetic (cladistic) analysis places Austrobates as sister-group of Halobates. The implications of this finding for the historical biogeography and ecology of sea skaters are discussed. We hypothesise that Halobates originated somewhere in the area that now includes the northernmost part of the Australian continent. Finally, we offer a narrative hypothesis explaining the evolution of the marine habit in halobatine water striders.
机译:滑冰者是Halobates Eschscholtz属(Gerridae:Halobatinae),包括唯一已知的海洋昆虫,尽管大多数Halobates物种和相关的Asclepios Distant属都在庇护的沿海水域中发现。在本文中,我们描述了这些海洋属(Austrobates rivularis)的淡水亲属。等。十一月,来自澳大利亚昆士兰州约克角半岛。尽管新物种混合了与Asclepios和Halobates(部落Halobatini)相同的字符,但系统发生(进化论)分析将Austrobates视为Halobates的姐妹群。讨论了这一发现对滑冰者的历史生物地理学和生态学的意义。我们假设Halobates起源于现在包括澳大利亚大陆最北端区域的某个地方。最后,我们提供了一个叙事假说,解释了在嗜盐类水str中海洋习性的演变。

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  • 来源
    《Invertebrate Taxonomy》 |1994年第1期|p.1-15|共15页
  • 作者

    NM Andersen and TA Weir;

  • 作者单位

    A Zoological Museum, University of Copenhagen,Universitetsparken 15, DK-2100 Copenhagen, Denmark.CSIRO Division of Entomology, GPO Box 1700,Canberra, ACT 2601, Australia.;

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