About the Authors
- Jeffery S. Pettis
-
Affiliation Bee Research Laboratory, USDA-ARS, Beltsville, Maryland, United States of America
- Elinor M. Lichtenberg
-
Affiliation Department of Entomology, University of Maryland, College Park, College Park, Maryland, United States of America
- Michael Andree
-
Affiliation Cooperative Extension Butte County, University of California, Oroville, California, United States of America
- Jennie Stitzinger
-
Affiliation Department of Entomology, University of Maryland, College Park, College Park, Maryland, United States of America
- Robyn Rose
-
Affiliation USDA-APHIS, Riverdale, Maryland, United States of America
- Dennis vanEngelsdorp
-
* E-mail: dennis.vanengelsdorp@gmail.com
Affiliation Department of Entomology, University of Maryland, College Park, College Park, Maryland, United States of America
Competing Interests
Dennis vanEngesldorp is a PLOS ONE Editor. All other authors have declared that no competing interests exist. 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: JSP RR DV. Performed the experiments: JSP MA JS DV. Analyzed the data: EML DV. Wrote the paper: JP EML DV.