Mating behavior in the seed beetle Acanthoscelides obtectus selected for early and late reproduction

Darka Šešlija, Jelica Lazarević, Boban Janković and Nikola Tucić

Behavioral Ecology, 2009, vol. 20, issue 3, 547-552

Abstract: Lines of Acanthoscelides obtectus that had been selected for either early- or late-life fitness components were compared with respect to early-life mating behavior of both females and males. Early-life mating frequencies and mating speed of both sexes, as well as female remating rates, were substantially higher in the late- than in the early-reproducing lines. These findings do not corroborate the hypothesis that selection for increased age at reproduction (and hence increased longevity) should result in reduced early-life mating efforts. We suggest that cryptic sexual selection within the late-age selection regime and relaxed sexual selection within the early-age selection regime may be the most important contributors to the pattern of mating behavior we see in the present study. Copyright 2009, Oxford University Press.

Date: 2009
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