人类诱导的费洛蒙污染导致蝶的替代交配策略发生变化
Shevy Waner Rips1,2, Michal Motro3, Uzi Motro2,4
1Department of Entomology, Volcani Institute, Agricultural Research Organization, Hamaccabim St., Rishon LeZion, 7505101,Israel.
概括
粉红色虫的交配中断导致雄性采取其他交配策略,包括破坏对并与不那么挑的雌性交配. 这种适应性有助于它们在费洛蒙污染的环境中繁殖.
科学领域:
- 生态生态学 生态生态学
- 动物行为 动物行为
- 进化生物学 进化生物学
背景情况:
- 人类造成的环境变化破坏了动物的交流和交配行为.
- 交配中断,一种环保的害虫控制,为粉红色虫虫造成人为诱导的快速环境变化.
- 这种技术涉及释放合成激素,阻碍雄找到雌的能力.
研究的目的:
- 调查因交配中断而产生的环境变化是否会导致粉红色虫蝶的替代性交配策略.
- 为了比较不同种群对交配中断的不同暴露率之间的替代交配行为的频率.
- 评估在交配中断条件下雄性交配偏好和成功率的变化.
主要方法:
- 将粉红色虫种群的交配行为与不暴露于交配中断的情况进行比较.
- 观察和量化男性"情侣干扰"行为的频率.
- 分析雄性交配决定,包括雌性尺寸偏好和交配率.
主要成果:
- 长期暴露于交配中断的雄性比天真的雄性更频繁地扰乱了交配对.
- 暴露于交配中断的雄性对雌性体型的选择性有所减少.
- 暴露群体中较小,潜力较低的雌性交配率增加,尽管干扰策略的成功率很低.
结论:
- 强烈的性选择和环境变化促使交配策略的适应性转变.
- 交配中断可以推动交配行为和伴侣选择的进化变化.
- 替代性交配策略,虽然往往成功率低,但可以在具有挑战性的环境中促进繁殖成功.
相关概念视频
Pollination and Flower Structure
63.2K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
63.2K
Mate Choice
8.0K
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
8.0K
Communication
7.7K
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
7.7K


