About the Authors

Christopher D. Beatty

cbeatty@scu.edu

Affiliations Department of Biology, Santa Clara University, 500 El Camino Real, Santa Clara, CA, 95053–0268, United States of America, Department of Ecology & Evolutionary Biology, Cornell University, E149 Corson Hall, 215 Tower Road, Ithaca, NY, 08053, United States of America

José A. Andrés

Affiliation Department of Biology, University of Saskatchewan, Saskatoon, Saskatechewan, S7N 0W0, Canada

Thomas N. Sherratt

Affiliation Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CDB JAA TNS. Performed the experiments: CDB TNS. Analyzed the data: CDB JAA TNS. Contributed reagents/materials/analysis tools: CDB JAA TNS. Wrote the paper: CDB JAA TNS.