About the Authors

Ulrich G. Mueller

umueller@mail.utexas.edu

Affiliations Section of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America, Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panamá

Jarrod J. Scott

Affiliations Section of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America, Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panamá, Department of Bacteriology, University of Wisconsin, Madison, Wisconsin, United States of America

Heather D. Ishak

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

Michael Cooper

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

Andre Rodrigues

Affiliations Section of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America, Center for the Study of Social Insects, State University of São Paulo (UNESP), Rio Claro, São Paulo, Brazil, Department of Biological Sciences, Santa Cruz State University (UESC), Ilheus, Bahia, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: UGM JJS AR. Performed the experiments: JJS HDI MC AR. Analyzed the data: UGM JJS HDI MC AR. Contributed reagents/materials/analysis tools: UGM. Wrote the paper: UGM. Performed field work: UGM JJS AR. Critically revised the manuscript: JJS HDI AR. Performed microbiological work: AR.