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While selection is a key mechanism of evolution, our understanding of within-season variation in sexual selection remains limited. Here, we studied within-season sexual selection on two key performance traits, flight speed and flight endurance, and a set of morphological and physiological phenotypic traits in a natural population of the territorial damselfly Chalcolestes viridis. We applied a path...
A small-male mating advantage has been only rarely encountered in territorial species and may be an artefact of selection on covarying traits linked to flight-related body morphology. Here, we explicitly tested its occurrence in the territorial damselfly, Lestes viridis, while taking into account two key traits shaping flight performance: relative thorax mass and wing asymmetry. Morphological correlates...
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