About the Authors

Ian Laycock

il219@exeter.ac.uk

Affiliation College of Life & Environmental Sciences, Biosciences, University of Exeter, Exeter, United Kingdom

James E. Cresswell

Affiliations College of Life & Environmental Sciences, Biosciences, University of Exeter, Exeter, United Kingdom, Centre for Pollination Studies, University of Calcutta, Kolkata, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IL JEC. Performed the experiments: IL. Analyzed the data: IL JEC. Contributed reagents/materials/analysis tools: IL JEC. Wrote the paper: IL JEC.