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Kin but less than k...
Kin but less than kind : within-group male relatedness does not increase female fitness in seed beetles
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- Berg, Elena C. (author)
- Amer Univ Paris, Dept Comp Sci Math & Environm Sci, Paris, France
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- Lind, Martin I., Dr (author)
- Uppsala universitet,Zooekologi,Uppsala University, Uppsala, Sweden
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- Monahan, Shannon (author)
- Amer Univ Paris, Dept Comp Sci Math & Environm Sci, Paris, France
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- Bricout, Sophie (author)
- Amer Univ Paris, Dept Comp Sci Math & Environm Sci, Paris, France
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- Maklakov, Alexei A. (author)
- Uppsala universitet,Zooekologi
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(creator_code:org_t)
- 2019-09-11
- 2019
- English.
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In: Proceedings of the Royal Society of London. Biological Sciences. - : ROYAL SOC. - 0962-8452 .- 1471-2954. ; 286:1910, s. 1471-2954
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Abstract
Subject headings
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- Theory maintains within-group male relatedness can mediate sexual conflict by reducing male-male. competition and collateral harm to females. We tested whether male relatedness can lessen female harm in the seed beetle Callosobruchus maculatus. Male relatedness did not influence female lifetime reproductive success or individual fitness across two different ecologically relevant scenarios of mating competition. However, male relatedness marginally improved female survival. Because male relatedness improved female-survival in late life when C. maculatus females are no longer producing offspring, our results do not provide support for the role of within-group male relatedness in mediating sexual conflict. The fact that male relatedness improves the post-reproductive part of the female life cycle strongly suggests that the effect is non-adaptive. We discuss adaptive and non-adaptive mechanisms that could result in reduced female harm in this and previous studies, and suggest that cognitive error is a likely explanation.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- sexual conflict
- kin selection
- mate harm
- Callosobruchus maculatus
Publication and Content Type
- ref (subject category)
- art (subject category)
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