Phylogenetic incongruence and the origins of cardenolide-resistant forms of Na+,K+-ATPase in North American Danaus butterflies
Matthew L Aardema, Peter Andolfatto
The paper re-examines the phylogenetic relationships among three North American milkweed butterflies and finds D. plexippus and D. eresimus are sister taxa, explaining phylogenetic incongruences and evolutionary adaptations.
bioRxiv · Apr 10, 2016Evolutionary Biology