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Selection for predation, not female fecundity, explains sexual size dimorphism in the orchid mantises [Scientific Reports]

Keywords : entomology, evolutionary ecology, mimicry, phylogenetics

par Frédéric Magné - publié le

Here we reconstruct the evolutionary shift towards floral simulation in orchid mantises and suggest female predatory selection as the likely driving force behind the development of extreme sexual size dimorphism. Through analysis of body size data and phylogenetic modelling of trait evolution, we recovered an ancestral shift towards sexual dimorphisms in both size and appearance in a lineage of flower-associated praying mantises.(...)

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