Sexual pair-formation in a cicada mediated by acoustic behaviour of females and positive phonotaxis of males.
Sexual pair-formation in a cicada mediated by acoustic behaviour of females and positive phonotaxis of males.
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蝉的性配对形成是由雌性的声学行为和雄性的正趋声性介导的
DOI：
10.1038/s41598-017-06825-5
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发表时间：
2017-07-25
影响因子：
4.6
通讯作者：
Wei C
中科院分区：
文献类型：
--
作者：
Hou Z;Luo C;Roberts JD;Wei C
在少数几种蝉中发现的雌性鸣叫的功能很少被研究。在cicadaSubpsaltria yangiwe调查的声学行为和信号结构的歌曲所产生的女性，男性的phonotaxis，和配偶的选择，以及选择压力施加在这个物种的捕食者。阳蝉的配对过程是雄蝉发出信号，雌蝉回应，然后雄蝉转向雌蝉发出信号，这与大多数其他蝉的配对过程相反，雌蝉转向雄蝉发出信号。雌性只交配一次，交配后不接受性。大多数雄性交配一次，但约25%的交配繁殖。女性显示很少的直接证据的配偶偏好或选择的男性，所有的配偶遇到导致一个成功的交配。只有雄性在飞向雌性时会受到一种名为Philonicus albiceps的强盗苍蝇的攻击。这对雄性施加了强烈的选择--只有能躲避捕食者的雄性才能交配。雄性也会被人类模仿的雌性叫声所吸引。这种行为使交配系统受到人为噪音系统的影响，这可能会破坏该物种的交配活动。我们的研究结果提高了对蝉的择偶/竞争的理解，并为今后的研究在蝉的声音通信的进化是有价值的。
The functions of female song found in a few cicadas have rarely been studied. In the cicadaSubpsaltria yangiwe investigated the acoustic behaviour and signal structure of songs produced by females, the phonotaxis of males, and mate choice, as well as the selective pressure imposed on this species by predators. Pair-formation inS.yangioccurs when males signal, females respond, then males move to signaling females, which is opposite to that in most other cicadas where females move to calling males. Females only mate once and are sexually unreceptive after copulation. Most males mate once, but ~25% mate multiply. Females display little direct evidence of mate preference or choice of males, and all mate encounters led to a successful mating. Only males are attacked by a robber fly,Philonicus albiceps, while flying to females. This imposes strong selection on males – only males who can evade predators mate. Males are also attracted to human simulations of female calls. This behaviour exposes the mating system to impacts from anthropogenic noise systems which could disrupt mating activity of this species. Our results improve the understanding of mate choice/competition in cicadas, and are valuable for future studies of the evolution of sound communication in the Cicadoidea.
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