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The cost of mating and the relationship between body size and fitness in males of the parasitoid wasp Nasonia vitripennis

Research output: Contribution to journalArticle

Author(s)

MN Burton-Chellew, EM Sykes, S Patterson, David Michael Shuker, SA West

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Abstract

Question: Does male size affect fitness in gregarious parasitoids?

Hypothesis: Larger males achieve higher reproductive success by obtaining more matings when in a competitive scenario and by living longer. Although mating can be costly, larger males are better able to withstand these costs.

Methods: Three experiments: two assessed the effect of size on mating success, one with and one without the presence of a competitor; the third experiment explored the relationship between male size and longevity under alternative mating regimes.

Results: Mating success did not depend on male size even in the presence of an introduced competitor. Mating reduced male longevity, but it did so independently of size.

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Details

Original languageEnglish
Pages (from-to)921-934
Number of pages14
JournalEvolutionary Ecology Research
Volume9
Publication statusPublished - Oct 2007

    Research areas

  • brood size, clutch size, local mate competition, longevity, sex allocation, sex ratio, LOCAL MATE COMPETITION, SEX-RATIO ADJUSTMENT, MELITTOBIA-AUSTRALICA EULOPHIDAE, MALE DROSOPHILA-MELANOGASTER, ONTHOPHAGUS-BINODIS, NATURAL-POPULATION, GENETIC-VARIATION, INFORMATION USE, LETHAL COMBAT, FIG WASPS

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