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Sexual conflict affects females more than males, says new research on beetles
Date:4/27/2014

ales were from lines selected for low mating rate due to costs of mating for females and because males did not compensate for changes in female behaviour.

Dr Nick Royle, of the Centre for Ecology and Conservation at the University of Exeter, said: "Our research shows that, despite selecting on a mating behaviour that is known to increase male assurance of paternity, there was no correlated change in male parental care behaviour. Instead, costs of mating in females appear to determine how patterns of parental care evolve in response to changes in mating behaviour. In species with biparental care, such as burying beetles, most birds and humans, our results indicate that males are followers not leaders in the evolution of family life. It is how selection acts on females, not males, that really counts here."

The results of the study are contrary to classical parental care theory and instead support the idea that sexual conflict is more important than parentage in determining patterns of parental care.


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Contact: Eleanor Gaskarth
e.f.gaskarth@exeter.ac.uk
44-782-730-9332
University of Exeter
Source:Eurekalert  

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Sexual conflict affects females more than males, says new research on beetles
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