Plasticity in mating behaviour drives asymmetric reproductive interference in whiteflies

David W. Crowder, Michael I. Sitvarin, Yves Carriere

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Reproductive interference between species with incomplete mate recognition can disrupt the process of mate acquisition. Accordingly, reproductive interference can reduce female and male fitness and lead to sexual exclusion. Here, we tested the hypothesis that flexible mating behaviours could mitigate the fitness-reducing effects of reproductive interference between reproductively incompatible biotypes of the haplodiploid whitefly Bemisia tabaci. We show that females of the globally distributed and invasive B biotype respond to reproductive interference from the Q biotype by increasing their acceptance of copulation attempts from B males. This behavioural plasticity increases the ability of B females to mate successfully and maintain a constant sex ratio in their offspring despite reproductive interference. In contrast, females of competing biotypes have invariant behaviour and produce fewer female offspring because of reproductive interference from the B biotype. Heuristic simulation models incorporating data on behavioural and life history traits of the B and Q biotypes obtained here, and published data on other biotypes, show that this plasticity in mating behaviour of B females could contribute to sexual exclusion of closely related biotypes. Our results demonstrate a powerful link between mating behaviour, reproductive interference and sexual exclusion, suggesting that variation in mating behaviour could determine the effects of reproductive interference and drive sexual exclusion among closely related species or among biotypes of a species.

Original languageEnglish (US)
Pages (from-to)579-587
Number of pages9
JournalAnimal Behaviour
Volume79
Issue number3
DOIs
StatePublished - Mar 2010

Fingerprint

whitefly
biotype
mating behavior
Aleyrodidae
crossover interference
biotypes
plasticity
fitness
mate recognition
Bemisia tabaci
copulation
life history trait
heuristics
sex ratio
simulation models
life history

Keywords

  • behavioural plasticity Bemisia tabaci
  • biotype
  • fitness
  • sex ratio
  • sexual exclusion whitefly

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

Cite this

Plasticity in mating behaviour drives asymmetric reproductive interference in whiteflies. / Crowder, David W.; Sitvarin, Michael I.; Carriere, Yves.

In: Animal Behaviour, Vol. 79, No. 3, 03.2010, p. 579-587.

Research output: Contribution to journalArticle

Crowder, David W. ; Sitvarin, Michael I. ; Carriere, Yves. / Plasticity in mating behaviour drives asymmetric reproductive interference in whiteflies. In: Animal Behaviour. 2010 ; Vol. 79, No. 3. pp. 579-587.
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