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Competitive males have higher quality sperm in a monogamous social bee [BMC Evolutionary Biology]

Keywords : aggregation, male competition, sexual selection, sperm, ,ocial insects

par Frédéric Magné - publié le

Persistence in male aggregations thus seems to select more competitive males with higher quality sperm. Our work is the first one to reveal an association between male competitive ability and fertilization success in a monogamous social insect. This finding sheds important light on the evolution of male traits in social insects and the general mechanisms of sexual selection.(...)

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