About the Authors

Christian Rabeling

rabeling@mail.utexas.edu

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

José Lino-Neto

Affiliation Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil

Simone C. Cappellari

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

Iracenir A. Dos-Santos

Affiliation Departamento de Biologia Geral, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil

Ulrich G. Mueller

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

Maurício Bacci Jr.

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CR. Performed the experiments: CR JLN IADS. Analyzed the data: CR. Contributed reagents/materials/analysis tools: CR JLN SCC UGM MBJ. Wrote the paper: CR. Performed fieldwork: CR SCC. Critically revised the manuscript: CR JLN SCC IADS UGM MB.