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Research Article

A Survey of Honey Bee Colony Losses in the U.S., Fall 2007 to Spring 2008

  • Dennis vanEngelsdorp mail,

    dennis.vanengelsdorp@gmail.com

    Affiliations: Pennsylvania Department of Agriculture, Bureau of Plant Industry–Apiculture, Harrisburg, Pennsylvania, United States of America, Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America

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  • Jerry Hayes Jr.,

    Affiliation: Florida Department of Agriculture, Bureau of Plant and Apiary Inspection, Apiary Inspection Section, Division of Plant Industry, Gainesville, Florida, United States of America

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  • Robyn M. Underwood,

    Affiliation: Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America

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  • Jeffery Pettis

    Affiliation: United States Department of Agriculture (USDA)–ARS Bee Research Laboratory, Beltsville, Maryland, United States of America

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  • Published: December 30, 2008
  • DOI: 10.1371/journal.pone.0004071

About the Authors

Dennis vanEngelsdorp
Pennsylvania Department of Agriculture, Bureau of Plant Industry–Apiculture, Harrisburg, Pennsylvania, United States of America
Dennis vanEngelsdorp, Robyn M. Underwood
Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America
Jerry Hayes Jr.
Florida Department of Agriculture, Bureau of Plant and Apiary Inspection, Apiary Inspection Section, Division of Plant Industry, Gainesville, Florida, United States of America
Jeffery Pettis
United States Department of Agriculture (USDA)–ARS Bee Research Laboratory, Beltsville, Maryland, United States of America

Corresponding Author

Email: dennis.vanengelsdorp@gmail.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: Dv JHJ JP. Performed the experiments: JHJ RMU JP. Analyzed the data: Dv RMU. Contributed reagents/materials/analysis tools: Dv. Wrote the paper: Dv JHJ RMU JP.