The relative importance of different direct benefits in the mate choices of a field cricket

William E. Wagner, Alexandra L Basolo

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Discussions about the evolution of female mating preferences have often suggested that females should express multiple strong preferences when different male traits are correlated with different mating benefits, yet few studies have directly tested this hypothesis by comparing the strength of female preferences for male traits known to be correlated with different benefits. In the variable field cricket, Gryllus lineaticeps, females receive fecundity and fertility benefits from mating with males with higher chirp rates and life-span benefits from mating with males with longer chirp durations. Although females prefer higher chirp rates and longer chirp durations when the other trait is held constant, it is possible that they give priority to one of these song traits when both vary. In this study, we examined the relative importance of chirp rate and chirp duration in female mate choice using single-stimulus presentations of songs that varied in both chirp rate and chirp duration. Females expressed both directional and stabilizing preferences based on chirp rate, responding most strongly to a chirp rate approximately one standard deviation above the population mean. Females did not express preferences based on chirp duration, and did not express correlational preferences. These results suggest that females may give priority to the reproductive benefits provided by males that produce higher chirp rates.

Original languageEnglish (US)
Pages (from-to)617-622
Number of pages6
JournalEvolution
Volume61
Issue number3
DOIs
StatePublished - Mar 1 2007

Fingerprint

Gryllidae
cricket
mate choice
mating behavior
duration
Music
song
Fertility
rate
fecundity
fertility

Keywords

  • Calling song
  • Direct benefits
  • Female mate choice
  • Field cricket
  • Gryllus lineaticeps
  • Mating preference

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Ecology, Evolution, Behavior and Systematics
  • Agricultural and Biological Sciences (miscellaneous)
  • Genetics(clinical)
  • Ecology
  • Genetics

Cite this

The relative importance of different direct benefits in the mate choices of a field cricket. / Wagner, William E.; Basolo, Alexandra L.

In: Evolution, Vol. 61, No. 3, 01.03.2007, p. 617-622.

Research output: Contribution to journalArticle

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