About the Authors

Alisha K. Holloway

To whom correspondence should be addressed. E-mail: akholloway@ucdavis.edu

Affiliations Section of Evolution and Ecology, University of California at Davis, Davis, California, United States of America, Center for Population Biology, University of California at Davis, Davis, California, United States of America

David J. Begun

Affiliations Section of Evolution and Ecology, University of California at Davis, Davis, California, United States of America, Center for Population Biology, University of California at Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DB AH. Analyzed the data: AH. Contributed reagents/materials/analysis tools: AH. Wrote the paper: AH. Other: Edited the paper: DB.