About the Authors

Simone von Burg

Affiliation Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

Fernando Álvarez-Alfageme

Affiliation Agroscope Reckenholz-Tänikon Research Station ART, Zurich, Switzerland

Jörg Romeis

joerg.romeis@art.admin.ch

Affiliation Agroscope Reckenholz-Tänikon Research Station ART, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SvB FAA JR. Performed the experiments: SvB FAA. Analyzed the data: SvB. Wrote the paper: SvB FAA JR.