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Correlated evolution in parental care in females but not males in response to selection on paternity assurance behaviour

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posted on 2023-07-26, 14:56 authored by Megan L. Head, Camilla A. Hinde, Allen J. Moore, Nick J. Royle, Bart Kempenaers
According to classical parental care theory males are expected to provide less parental care when offspring in a brood are less likely to be their own, but empirical evidence in support of this relationship is equivocal. Recent work predicts that social interactions between the sexes can modify co‐evolution between traits involved in mating and parental care as a result of costs associated with these social interactions (i.e. sexual conflict). In burying beetles (Nicrophorus vespilloides), we use artificial selection on a paternity assurance trait, and crosses within and between selection lines, to show that selection acting on females, not males, can drive the co‐evolution of paternity assurance traits and parental care. Males do not care more in response to selection on mating rate. Instead, patterns of parental care change as an indirect response to costs of mating for females.

History

Refereed

  • Yes

Volume

17

Issue number

7

Page range

803-810

Publication title

Ecology Letters

ISSN

1461-0248

Publisher

Wiley

File version

  • Published version

Language

  • eng

Legacy posted date

2020-03-23

Legacy creation date

2020-03-23

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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