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dc.contributor.authorAmin, Md Ruhul-
dc.contributor.authorBussiere, Luc-
dc.contributor.authorGoulson, Dave-
dc.description.abstractIn social insects, the reproductive strategies adopted by colonies emerge as a complex property of individual behaviours, but as yet we are often unable to fully explain them in evolutionary terms. In bumblebees, colonies adopt either a short-lived strategy specializing in male production, or a longer-lived strategy in which mainly new queens are produced, but this results in males emerging long before mates are available; this strategy can only easily be explained if older males are at a significant reproductive advantage. Here we examine how age and morphological characters influence mating success of male bumblebees. In two separate experiments in which single virgin males and females were confined together, we found that young males and heavy males mated more swiftly and copulated for less time compared to old males or lighter males, respectively. However, in competitive situations age proved to be unimportant and the only factors to influence mating success were the lengths of the fore and hind tibiae, with strong directional selection for long leg length. Fore and hind legs are both used in courtship, so both traits are associated with plausible mechanisms under selection. It has previously been argued that, in times of food stress, bumblebee colonies should produce males as male size is less likely to be strongly correlated with fitness than female size. Our results suggest that this may not be so, since aspects of male size directly impact on their mating success. Our results leave unexplained the emergence of males many days before new queens.en_UK
dc.relationAmin MR, Bussiere L & Goulson D (2012) Effects of Male age and Size on Mating Success in the Bumblebee Bombus terrestris, Journal of Insect Behavior, 25 (4), pp. 362-374.-
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.-
dc.subjectSexual selectionen_UK
dc.subjectleg lengthen_UK
dc.subjectmate choiceen_UK
dc.subjectcolony-level strategiesen_UK
dc.titleEffects of Male age and Size on Mating Success in the Bumblebee Bombus terrestrisen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreasonThe publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.-
dc.citation.jtitleJournal of Insect Behavior-
dc.type.statusPublisher version (final published refereed version)-
dc.contributor.affiliationUniversity of Stirling-
dc.contributor.affiliationBiological and Environmental Sciences-
dc.contributor.affiliationBiological and Environmental Sciences-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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