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超声波脉冲的重复率触发了虫害虫的逃生反应
Ming Siang Lem1, Ryo Nakano2, Masashi Nomura1
1Laboratory of Applied Entomology, Graduate School of Horticulture, Chiba University, Chiba, Japan.
Pest management science
|September 10, 2025
概括
自拍黑蝶根据蝙蝠脉冲重复率 (PRR) 改变逃跑行为. 交配的雌性避免高风险的PRR,平衡掠食者逃避与繁殖.
科学领域:
- 生态生态学 生态生态学
- 动物行为 动物行为
- 生物声学是一种生物声学.
背景情况:
- 蝙蝠和蝶参与进化军备竞赛,驱使蝶逃生行为.
- 蝙蝠回声定位脉冲重复率 (PRR) 表示掠食风险,但在Plusiinae蝶中,特定物种的敏感性尚未得到充分探索.
研究的目的:
- 研究PRR的变化如何影响Autographa nigrisigna的逃避飞行和生殖行为.
- 确定生殖状况是否会影响对不同掠食风险的反应.
主要方法:
- 被绑住的飞行Autographa nigrisigna飞暴露在各种PRR (1-160脉冲/秒) 的超声波刺激中.
- 观察并记录了逃避飞行机动和飞行停止,以应对刺激.
主要成果:
- 奥特格拉法尼格里西格纳表现出PRR依赖的逃避行为,包括方向转,不规则的飞行和飞行停止.
- 交配的雌性选择性地避免了高风险的PRR,而未交配的雌性则显示出较少的歧视.
- 怀孕的雌性寻找宿主的飞行被高风险的PRRs比未交配的雌性更容易抑制.
结论:
- 雌性Autographa nigrisigna根据PRR信号的掠食风险调整对抗蝙蝠的行为.
- 这表明,捕食者逃避和的繁殖投资之间存在着进化平衡.
- 交配的雌性通过在猎物追逐期间避免高风险的蝙蝠呼叫来优先考虑生存.
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