About the Authors

Isabelle Giraud

Contributed equally to this work with: Isabelle Giraud, Victorien Valette

Affiliation Université de Poitiers, UMR CNRS 7267 Ecologie et Biologie des Interactions, Equipe Ecologie Evolution Symbiose, Poitiers, France

Victorien Valette

Contributed equally to this work with: Isabelle Giraud, Victorien Valette

Affiliation Université de Poitiers, UMR CNRS 7267 Ecologie et Biologie des Interactions, Equipe Ecologie Evolution Symbiose, Poitiers, France

Nicolas Bech

Affiliation Université de Poitiers, UMR CNRS 7267 Ecologie et Biologie des Interactions, Equipe Ecologie Evolution Symbiose, Poitiers, France

Frédéric Grandjean

Affiliation Université de Poitiers, UMR CNRS 7267 Ecologie et Biologie des Interactions, Equipe Ecologie Evolution Symbiose, Poitiers, France

Richard Cordaux

richard.cordaux@univ-poitiers.fr

Affiliation Université de Poitiers, UMR CNRS 7267 Ecologie et Biologie des Interactions, Equipe Ecologie Evolution Symbiose, Poitiers, France

Competing Interests

The authors have read the journal's policy and have the following conflict: RC is a member of the editorial board of PLOS ONE. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RC FG NB. Performed the experiments: IG VV. Analyzed the data: IG VV RC FG NB. Contributed reagents/materials/analysis tools: VV FG RC. Wrote the paper: RC. Coordinated the study: RC. Revised the manuscript: VV FG NB.