WFRF:(Sait M)
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Multiple mating in the traumatically inseminating Warehouse pirate bug, Xylocoris flavipes : effects on fecundity and longevity
- Backhouse, Amy (author)
- Sait, Steven M. (author)
-
- Cameron, Tom C. (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
- (creator_code:org_t)
- 2012-05-09
- 2012
- English.
- In: Biology Letters. - : The Royal Society. - 1744-9561 .- 1744-957X. ; 8:5, s. 706-709
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- sexual conflict
- traumatic insemination
- adaptation
- Xylocoris flavipes
- pirate bugs
Publication and Content Type
- ref (subject category)
- art (subject category)
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