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Title: Male remating and female fitness in the wolf spider Pardosa astrigera: The role of male mating history
Authors: Jiao, X.
Chen, Z.
Wu, J.
Du, H.
Liu, F.
Chen, J.
Li, D. 
Keywords: Copulation duration
Female fitness
Male mating history
Pardosa astrigera
Issue Date: 2011
Citation: Jiao, X., Chen, Z., Wu, J., Du, H., Liu, F., Chen, J., Li, D. (2011). Male remating and female fitness in the wolf spider Pardosa astrigera: The role of male mating history. Behavioral Ecology and Sociobiology 65 (2) : 325-332. ScholarBank@NUS Repository.
Abstract: Although the effects of male mating history on female reproductive output and longevity have been studied in insects, few such studies have been carried out in spiders. In a mating system in which females are monandrous while males are polygynous, females may incur the risk by mating with successful males that have experienced consecutive matings and suffer from the possible depletion of sperm and/or associated ejaculates. Here, we examine the effects of male mating history on male courtship and copulation duration, female reproductive fitness, and female adult longevity of the wolf spider, Pardosa astrigera. Results indicated that male mating frequency had little effect on their subsequent copulation success, and of 35 males tested, about half of the males were able to copulate with five virgin females successively at an interval of 24 h. Male mating history had little effect on their courtship duration. However, male mating history significantly affected male copulation duration, female adult longevity, and reproductive output. Males that mated more frequently copulated longer and more likely failed to cause their mates to produce a clutch, although there was no significant difference in the number of eggs laid and the number of eggs hatched regardless of the first clutch or the second one. Multiple mating of male P. astrigera resulted in significant reduction in female adult longevity. Our results indicate that monandrous females mating with multiple-mated males may incur substantial fitness costs. © 2010 Springer-Verlag.
Source Title: Behavioral Ecology and Sociobiology
ISSN: 03405443
DOI: 10.1007/s00265-010-1049-2
Appears in Collections:Staff Publications

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