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Female copulatory status and male mate choice in Neptunea arthritica (Gastropoda: Buccinidae)

机译:Neptunea arthritica(Gastropoda:Buccinidae)中的雌性交配状况和雄性选择

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摘要

Male mate choice in Neptunea arthritica was investigated in copulation trials, where female copulatory status and intermating interval were manipulated. Males preferred recently copulated to noncopulated females and did not discriminate between single- and twice-copulated females. Our results show a startling divergence from the results reported in other study models, with significant implications for our general understanding of the way sperm competition shapes male mate choice. We discuss the importance of female copulatory status, female intermating interval and sperm removal probability as factors extending competitive scenarios among males and how preference for recently copulated females might be maintained.
机译:在交配试验中研究了Neptunea arthritica的雄性选择,其中操纵了雌性交配状态和间隔时间。男性更喜欢最近交配给未交配的女性,并且不区分单交和两次交配的女性。我们的结果显示出与其他研究模型中报告的结果惊人的差异,对于我们对精子竞争影响男性择偶方式的一般理解具有重大意义。我们讨论了女性交配状况,女性生育间隔和去除精子的可能性的重要性,这些因素是扩大男性竞争情况的因素,以及如何保持对最近交配女性的偏好。

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  • 来源
    《Journal of Molluscan Studies》 |2010年第4期|p.317-322|共6页
  • 作者

    Roberto Carlos Lombardo;

  • 作者单位

    Department of Marine Biology and Biodiversity, Graduate School of Fisheries Sciences, Hokkaido University, 3–1–1 Minato, Hakodate 041–8611, Hokkaido, Japan;

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