对同性恋性行为的社会影响的多种类分析挑战了昆虫中错误的身份假设
Thomas M J Green1, Jack G Rayner2, Daniel A Villar3,4
1Centre for Biological Diversity, School of Biology, University of St. Andrews, St. Andrews, Fife KY16 9TH, United Kingdom.
概括
昆虫的同性性行为,或SSB,不仅仅是错误的身份. 我们的研究表明,野中的SSB减少了侵略性,并可能具有适应性功能,挑战了以前的假设.
科学领域:
- 伦理学 伦理学 伦理学
- 昆虫的行为昆虫的行为
- 进化生物学 进化生物学
背景情况:
- 昆虫的同性性行为 (SSB) 通常归因于"错误的身份".
- 在脊椎动物中常见的SSB的替代适应性假设在昆虫中较少被探索.
- 需要进行比较分析,以了解昆虫SSB.的各种功能.
研究的目的:
- 调查SSB在北美野外 (Gryllus spp. 在北美野外 (Gryllus spp. 在北美野外 (Gryllus spp. 在北美野外 (Gryllus spp. ) 的情况.
- 区分"错误身份"假设和SSB的其他适应模型.
- 评估男性与男性相互作用的原因和后果的特定物种变异.
主要方法:
- 在8个Gryllus物种的受控实验室试验中量化了男性与男性的相互作用.
- 采用结构方程建模来分析SSB的焦点和合作伙伴影响.
- 进行行为相互作用的时间分析,以评估SSB期间的性别识别.
主要成果:
- 在研究的板物种中,SSB的差异很大.
- SSB始终与减少侵略性有关,尽管这种效应的强度各不相同.
- 即使能够区分伴侣的性别,男性也参与了SSB,并表现出了新的行为.
结论:
- 调查结果表明,野外板球中的SSB不仅仅是由于身份错误.
- 似乎SSB具有适应性功能,可能与侵略调节和独特的行为表达有关.
- 这项研究挑战了历史观点,并强调了对昆虫中SSB适应性进化的进一步研究的需要.
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