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Multiple mating in the traumatically inseminating Warehouse pirate bug, Xylocoris flavipes: effects on fecundity and longevity
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2012 (English)In: Biology Letters, ISSN 1744-9561, E-ISSN 1744-957X, Vol. 8, no 5, 706-709 p.Article in journal (Refereed) Published
Abstract [en]

Optimal mating frequencies differ between sexes as a consequence of the sexual differentiation of reproductive costs per mating, where mating is normally more costly to females than males. In mating systems where sexual reproduction is costly to females, sexual conflict may cause both direct (i.e. by reducing female fecundity or causing mortality) and indirect (i.e. increased risk of mortality, reduced offspring viability) reductions in lifetime reproductive success of females, which have individual and population consequences. We investigated the direct and indirect costs of multiple mating in a traumatically inseminating (TI) predatory Warehouse pirate bug, Xylocoris flavipes (Reuter) (Hemiptera: Anthocoridae), where the male penetrates the female's abdomen during copulation. This study aimed to quantify the effects of TI on female fecundity, egg viability, the lifetime fecundity schedule, longevity and prey consumption in this cosmopolitan biocontrol agent. We found no difference in the total reproductive output between mating treatments in terms of total eggs laid or offspring viability, but there were significant differences found in daily fecundity schedules and adult longevity. In terms of lifetime reproduction, female Warehouse pirate bugs appear to be adapted to compensate for the costs of TI mating to their longevity.

Place, publisher, year, edition, pages
2012. Vol. 8, no 5, 706-709 p.
Keyword [en]
sexual conflict, traumatic insemination, adaptation, Xylocoris flavipes, pirate bugs
National Category
Evolutionary Biology
URN: urn:nbn:se:umu:diva-61156DOI: 10.1098/rsbl.2012.0091ISI: 000308789200006OAI: diva2:566800
Available from: 2012-11-09 Created: 2012-11-07 Last updated: 2012-11-09Bibliographically approved

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Cameron, Tom C.
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