About the Authors

Patrícia Beldade, Suzanne V. Saenko, Nicolien Pul
Institute of Biology, Leiden University, Leiden, The Netherlands

Patrícia Beldade
Instituto Gulbenkian de Ciência, Oeiras, Portugal

Anthony D. Long
Department of Ecology and Evolutionary Biology, University of California Irvine, Irvine, California, United States of America

Corresponding Author

p.beldade@biology.leidenuniv.nl

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PB ADL. Performed the experiments: PB ADL. Analyzed the data: PB SVS ADL. Contributed reagents/materials/analysis tools: PB SVS NP ADL. Wrote the paper: PB ADL. Provided the material for and assisted in mapping the visible markers: SVS. Prepared the butterfly material and identified the SNPs in candidate genes: NP.