Introgression is arguably one of the most important biological processes in the evolution of groups of related species, affecting at least 10% of the extant species in the animal kingdom. Introgressio
Alignment used to reconstruct phylogenies using BEAST v1.7 from 18 genes (8 chloroplast, 2 mitochondrial, 8 nuclear). Substitution models used for each partition are indicated in the supplemental info
