THE IMPORTANCE OF FEMALE CHOICE, MALE–MALE COMPETITION, AND SIGNAL TRANSMISSION AS CAUSES OF SELECTION ON MALE MATING SIGNALS
THE IMPORTANCE OF FEMALE CHOICE, MALE–MALE COMPETITION, AND SIGNAL TRANSMISSION AS CAUSES OF SELECTION ON MALE MATING SIGNALS
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雌性选择、雄性竞争和信号传输作为雄性交配信号选择原因的重要性
DOI：
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
R. Cocroft
中科院分区：
文献类型：
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作者：
L. Sullivan‐Beckers;R. Cocroft
广告信号的选择来自于相互作用的来源，包括女性选择、男性与男性的竞争和沟通渠道（即，信号环境）。为了确定选择的个人来源的贡献，我们使用以前量化的信号性状和每个假定的来源之间的关系来预测信号变化和健身之间的关系Enchenopa binotata跳树（半翅目：膜翅目）。然后，我们测量信号的表型选择，并比较预测和实现信号性状和交配成功之间的关系。我们记录了男性的信号，然后在一个现实的环境中，选择源可以相互作用的两个人口密度测量一生交配成功。我们使用多元回归方法确定了哪些来源最能预测信号变化和交配成功之间的关系。所有的信号性状的选择，在至少一个测量的两个繁殖季节，在某些情况下，选择是不同的年份之间。女性偏好是选择塑造男性信号的最强来源。急诊Binotata物种复合体是由宿主转移引发的生态物种形成模式。信号和偏好的分歧有助于行为的复杂性内的隔离，并发现女性配偶的偏好驱动信号进化表明，在这组物种的结果从生态分歧和性选择。
Selection on advertisement signals arises from interacting sources including female choice, male–male competition, and the communication channel (i.e., the signaling environment). To identify the contribution of individual sources of selection, we used previously quantified relationships between signal traits and each putative source to predict relationships between signal variation and fitness in Enchenopa binotata treehoppers (Hemiptera: Membracidae). We then measured phenotypic selection on signals and compared predicted and realized relationships between signal traits and mating success. We recorded male signals, then measured lifetime mating success at two population densities in a realistic environment in which sources of selection could interact. We identified which sources best predicted the relationship between signal variation and mating success using a multiple regression approach. All signal traits were under selection in at least one of the two breeding seasons measured, and in some cases selection was variable between years. Female preference was the strongest source of selection shaping male signals. The E. binotata species complex is a model of ecological speciation initiated by host shifts. Signal and preference divergence contribute to behavioral isolation within the complex, and the finding that female mate preferences drive signal evolution suggests that speciation in this group results from both ecological divergence and sexual selection.