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Fitness effects of female mate choice: preferred males are detrimental for Drosophila melanogaster females
 

Summary: Fitness effects of female mate choice: preferred males
are detrimental for Drosophila melanogaster females
U. FRIBERG* & G. ARNQVIST
*Department of Ecology and Environmental Science, Section of Animal Ecology, Umea° University, Sweden
Department of Animal Ecology, Evolutionary Biology Centre, Uppsala University, Sweden
Introduction
Female mate choice results from any trait in females (e.g.
behaviour, structure or physiology) which biases matings
towards certain male phenotypes (e.g. Maynard-Smith,
1987; Kirkpatrick & Ryan, 1991; Andersson, 1994). The
adaptive value of female mate choice behaviour remains
elusive in most cases (see Andersson, 1994). Mate choice
involves costs (e.g. Alatalo et al., 1987; Pomiankowski,
1987; Gibson & Bachman, 1992; Reynolds & Co^te´, 1995),
and it therefore seems reasonable that females must gain
appreciable benefits from mating with some males over
others. Theoretical research in this field has focused on
four scenarios: direct benefit models (e.g. Heywood,
1989; Price et al., 1993; Iwasa & Pomiankowski, 1999),
the Fisherian runaway process (e.g. Lande, 1981; Kirk-

  

Source: Arnqvist, Göran - Department of Animal Ecology, Uppsala Universitet

 

Collections: Environmental Sciences and Ecology