ROW: Consequences of Larval Ecology in Neotropical Insects

ROW：新热带昆虫幼虫生态学的后果

• 批准号: 9008765
• 负责人: Ola Fincke
• 金额: $ 1.8万
• 依托单位: University of Oklahoma Norman Campus
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-08-15 至 1992-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9008765&HistoricalAwards=false
• 关键词: ROW; Consequences; Larval; Ecology; Neotropical

This proposal addresses the major questions of how offspring survivorship and competitive ability influence adult reproductive behavior in certain species of neotropical insects whose larvae develop in water-filled treeholes. Because these species use the same limiting resource (i.e. treeholes), and females are predictably found in light gaps, differences in mating systems cannot be fully explained in terms of the distribution of reproductive resources (the traditional paradigm). The discrete nature of the larval habitat allows assessment of success in terms of the relative number of offspring surviving to emergence. Although previous research in Panama suggests that predation among larvae render territorial defense ineffective for some species, experimental confirmation of this result is needed. If the working hypotheses are supported, this study will be one of the first to demonstrate a role of interspecific competition in the evolution of mating systems.

该提案解决了后代生存和竞争能力如何影响某些新热带昆虫物种的成虫繁殖行为的主要问题，这些昆虫的幼虫在充满水的树洞中发育。 由于这些物种使用相同的限制资源（即树洞），并且可以预见的是雌性会在光线间隙中被发现，因此交配系统的差异无法用生殖资源的分布（传统范式）来充分解释。 幼虫栖息地的离散性质允许根据存活到羽化的后代的相对数量来评估成功。 尽管巴拿马之前的研究表明，幼虫之间的捕食使得某些物种的领地防御无效，但这一结果仍需要实验证实。 如果工作假设得到支持，这项研究将是第一个证明种间竞争在交配系统进化中的作用的研究之一。