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Sperm depletion: a cost for single mated females of Podisus nigrispinus (Dallas, 1851) (Heteroptera: Pentatomidae) BABT
Sousa-Souto,Leandro; Evangelista Júnior,Walter Santos; Lima,Eraldo Rodrigues; Zanuncio,José Cola; Fonseca,Marcy das Graças.
The aim of this work was to test if egg viability of polyandrous females was increased with increasing number of matings. Longevity and reproductive output of females of the predatory stinkbug Podisus nigrispinus that were allowed to mate for 0, 1, 2, 3 times or were in the continuous presence of the same male was evaluated. Polyandry resulted in diminished sperm depletion. Females that had mated three times or that were in continuous presence of a male produced more offspring than females that mated once or twice throughout their lifetime. There was a negative correlation of mating history on female longevity. Results indicated that remating, either with same male or with different males were crucial for maximization of the reproductive success of females.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Asopinae; Multiple matings; Reproductive success; Biological control; Mate choice.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000700009
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