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Alternative reproductive strategies and the maintenance of female color polymorphism in damselflies
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- Sánchez-Guillén, Rosa A. (author)
- Lund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science,Instituto de Ecología A.C.
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- Wellenreuther, Maren (author)
- Lund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science,Institute of Plant and Food Research
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- Chávez-Ríos, Jesús R. (author)
- National Autonomous University of Mexico,Autonomous University of Tlaxcala
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- (creator_code:org_t)
- 2017-06-15
- 2017
- English.
- In: Ecology and Evolution. - : Wiley. - 2045-7758. ; 7:15, s. 5592-5602
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Genetic polymorphisms are powerful model systems to study the maintenance of diversity in nature. In some systems, polymorphisms are limited to female coloration; these are thought to have arisen as a consequence of reducing male mating harassment, commonly resulting in negative frequency-dependent selection on female color morphs. One example is the damselfly Ischnura elegans, which shows three female color morphs and strong sexual conflict over mating rates. Here, we present research integrating male tactics, and female evolutionary strategies (female mating behavior and morph-specific female fecundity) in populations with different morph-specific mating frequencies, to obtain an understanding of mating rates in nature that goes beyond the mere measure of color frequencies. We found that female morph behavior differed significantly among but not within morphs (i.e., female morph behavior was fixed). In contrast, male tactics were strongly affected by the female morph frequency in the population. Laboratory work comparing morph-specific female fecundity revealed that androchrome females have lower fecundity than both of the gynochrome female morphs in the short term (3-days), but over a 10-day period one of the gynochrome female morphs became more fecund than either of the other morphs. In summary, our study found sex-specific dynamics in response to different morph frequencies and also highlights the importance of studying morph-specific fecundities across different time frames to gain a better understanding of the role of alternative reproductive strategies in the maintenance of female-limited color polymorphism.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- Behavior
- Fecundity
- Female-limited color polymorphism
- Learned-mate preferences
- Sexual conflict
Publication and Content Type
- art (subject category)
- ref (subject category)
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