Scopus记录号: 2-s2.0-85059620400
论文题名: Temperature shapes the costs, benefits and geographic diversification of sexual coloration in a dragonfly
作者: Moore M.P. ; Lis C. ; Gherghel I. ; Martin R.A.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
卷: 22, 期: 3 起始页码: 437
结束页码: 446
语种: 英语
英文关键词: Citizen science
; flight performance
; sexual selection
; territorial success
; thermoregulation
; wing pigmentation
Scopus关键词: Anisoptera (dragonflies)
英文摘要: The environment shapes the evolution of secondary sexual traits by determining how their costs and benefits vary across the landscape. Given the thermal properties of dark coloration generally, temperature should crucially influence the costs, benefits and geographic diversification of many secondary sexual colour patterns. We tested this hypothesis using sexually selected wing coloration in a dragonfly. We find that greater wing coloration heats males – the magnitude of which improves flight performance under cool conditions but dramatically reduces it under warm conditions. In a colder region of the species’ range, behavioural observations of a wild population show that these thermal effects translate into greater territorial acquisition on thermally variable days. Finally, geo-referenced photographs taken by citizen scientists reveal that this sexually selected wing coloration is dramatically reduced in the hottest portions of the species’ range. Collectively, our results underscore temperature's capacity to promote and constrain the evolution of sexual coloration. © 2019 John Wiley & Sons Ltd/CNRS 资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122728
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Biology, Case Western Reserve University, Cleveland, OH 44106, United States; Hathaway Brown School, Shaker Heights, OH 44120, United States
Recommended Citation:
Moore M.P.,Lis C.,Gherghel I.,et al. Temperature shapes the costs, benefits and geographic diversification of sexual coloration in a dragonfly[J]. Ecology Letters,2019-01-01,22(3)