About the Authors

Scott E. Solomon

solomons@si.edu

Affiliations Section of Integrative Biology, The University of Texas at Austin, Austin, Texas, United States of America, Department of Entomology, Smithsonian Institution, Washington, D. C., United States of America, Center for the Study of Social Insects, São Paulo State University, Rio Claro, São Paulo, Brazil

Mauricio Bacci Jr

Affiliation Center for the Study of Social Insects, São Paulo State University, Rio Claro, São Paulo, Brazil

Joaquim Martins Jr

Affiliation Center for the Study of Social Insects, São Paulo State University, Rio Claro, São Paulo, Brazil

Giovanna Gonçalves Vinha

Affiliation Center for the Study of Social Insects, São Paulo State University, Rio Claro, São Paulo, Brazil

Ulrich G. Mueller

Affiliation Section of Integrative Biology, The University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SES. Performed the experiments: SES JMJ GGV. Analyzed the data: SES. Contributed reagents/materials/analysis tools: MBJ UGM. Wrote the paper: SES MBJ UGM.