Evolutionary impacts of introgressive hybridization in a rapidly evolving group of jumping spiders (F. Salticidae, Habronattus americanus group)

Tierney Bougie, Alan Brelsford & Marshal Hedin
Introgressive hybridization can be a powerful force impacting patterns of evolution at multiple taxonomic levels. We aimed to understand how introgression has affected speciation and diversification within a species complex of jumping spiders. The Habronattus americanus subgroup is a recently radiating group of jumping spiders, with species now in contact after hypothesized periods of isolation during glaciation cycles of the Pleistocene. Effects of introgression on genomes and morphology were investigated using phylogenomic and clustering methods...
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