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A trade-off between flight capability and reproduction in males of a wing-dimorphic insect



A trade-off between flight capability and reproduction in males of a wing-dimorphic insect



Ecology 81(3): 865-875



The potential cost of flight capability in males of the salt-marsh-inhabiting planthopper Prokelisia dolus was examined. P. dolus demonstrates a dispersal polymorphism with both flightless adults and migratory, winged adults occurring in populations. Flightless planthoppers were found to exhibit a 3-fold mating advantage over migratory planthoppers. Flightless planthoppers also sired more offspring per female, as a result of differences in sperm load between the flightless and migratory insects. Overall, the results support the notion of a trade-off between dispersal capability and reproductive success in the males of this species.

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Accession: 003630104

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DOI: 10.2307/177383


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