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Anim Behav. 1997 Jul;54(1):59-66.

Nutritional correlates of reproductive success of male Mediterranean fruit flies (Diptera: Tephritidae)

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  • 1Department of Entomology, Hebrew University


We examined the hypothesis that adult diet affects the reproductive success of male Mediterranean fruit flies. In particular we determined whether protein-fed males copulated more frequently than protein-deprived males. Furthermore, we determined whether the nutritional status of their first sexual partner affects the renewal of female receptivity. Males fed no protein copulated at a significantly lower rate than did males fed protein. In both diet groups, size was significantly associated with copulatory success. Protein-deprived males transferred significantly more sperm to their mates than did protein-fed males. However, significantly more females mated to protein-deprived males re-mated on the following day. We conclude that male diet is a significant factor in determining male reproductive success. Male diet affects the ability to gain copulations with virgin females, and the receptivity of these females to further copulations.

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