Repeated Reticulate Evolution in North American Papilio machaon Group Swallowtail Butterflies.

ABSTRACT: Hybridization between distinct populations or species is increasingly recognized as an important process for generating biodiversity. However, the interaction between hybridization and speciation is complex, and the diverse evolutionary outcomes of hybridization are difficult to differentiate. Here we characterize potential hybridization in a species group of swallowtail butterflies using microsatellites, DNA sequences, and morphology, and assess whether adaptive introgression or homoploid hybrid speciation was the primary process leading to each putative hybrid lineage. Four geographically separated hybrid populations were identified in the Papilio machaon species group. One distinct mitochondrial DNA clade from P. machaon was fixed in three hybrid taxa (P. brevicauda, P. joanae, and P. m

SUBMITTER: Dupuis JR 

PROVIDER: S-EPMC4627828 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature