Testing cohesive selective paths and evaluating loss of evolutionary information while delimiting species of Brazilian wandering spiders
Testing cohesive selective paths and evaluating loss of evolutionary information while delimiting species of Brazilian wandering spiders
Testing cohesive selective paths and evaluating loss of evolutionary information while delimiting species of Brazilian wandering spiders Abstract Biodiversity is structured in nested Retrospective Reproductive Communities (RRCs) reflecting different levels of information about evolutionary processes. Ranking species involves deciding which level to emphasize, based on a trade-off in information gain and loss. Modeling the selective processes that maintain RRCs along distinct evolutionary paths can inform these trade-offs in species delimitation. We illustrate this approach using the Brazilian wandering spiders (Phoneutria). Integrating genetic markers, geometric morphometrics, color patterns, and environmental data, we applied both established and novel approaches to test divergence through historical natural and sexual selection. We found evidence that selection on ecological niche and ventral abdominal coloration contributed to the formation of four distinct RRCs. Two of these ...
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