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Temporal effects of multiple mating on components of fitness in the two-spot ladybird, Adalia bipunctata (Coleoptera : Coccinellidae)

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Author(s)

PR Haddrill, David Michael Shuker, S Mayes, MEN Majerus

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Abstract

Insects have provided much of the best evidence to date concerning possible costs and benefits of multiple mating, and here we investigate the benefits of polyandry in the two-spot ladybird, Adalia bipunctata, by attempting to replicate the highly promiscuous mating system in this species. We compared the temporal pattern of reproductive success of females mated multiple times to one male with that of females mated an equal number of times to multiple males, and found transient differences in offspring production and hatch rate over time. Our data suggest that polyandrous females benefit from multiple mating in some circumstances, but the patterns are complex. Following how both the costs and benefits to mating accrue over time will be necessary if we are to fully understand why polyandry evolves.

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Details

Original languageEnglish
Pages (from-to)393-398
Number of pages6
JournalEuropean Journal of Entomology
Volume104
Issue number3
Publication statusPublished - 25 Jul 2007

    Research areas

  • Coccinellidae, Adalia, behaviour, cost of mating, ladybird, polyandry, sexual selection, sexual conflict, SEXUALLY-TRANSMITTED-DISEASE, MAJOR HISTOCOMPATIBILITY COMPLEX, CRICKET GRYLLUS-BIMACULATUS, GENETIC INCOMPATIBILITY, INBREEDING AVOIDANCE, POLYANDROUS FEMALES, FIELD CRICKET, NO EVIDENCE, EVOLUTION, BENEFITS

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