Female mate preference and offspring fitness in the melon fly

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Abstract

The influence of female mate preference on the fitness components of offspring was studied in the melon fly, Dacus cucurbitae. Adult flies were allowed to mate under two experimental treatments. In one treatment, 100 females and 100 males were allowed to mate freely in a cage (cage-mating). In the other treatment, a single female was allowed to mate with a single male in a small chamber (chamber-mating). Viability in the immature stages was not different between two treatments. The developmental speed of female offspring in the cage-mating treatment was faster than that in the chamber-mating treatment. The wing length of offspring of both sex in the cage-mating treatment was also larger than that in the chamber-mating treatment. These results were considered to support 3-trait handicap models of the evolution of female mate preference.

Original languageEnglish
Pages (from-to)277-281
Number of pages5
JournalEcological Research
Volume7
Issue number3
DOIs
Publication statusPublished - Dec 1 1992
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

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