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Research Article

Colony Collapse Disorder: A Descriptive Study

  • Dennis vanEngelsdorp,

    Affiliations: Pennsylvania Department of Agriculture, Harrisburg, Pennsylvania, United States of America, Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America

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  • Jay D. Evans,

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

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  • Claude Saegerman,

    Affiliation: Department of Infectious and Parasitic Diseases, Epidemiology and Risk analysis applied to the Veterinary Sciences, University of Liege, Liege, Belgium

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  • Chris Mullin,

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

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  • Eric Haubruge,

    Affiliation: Department of Functional and Evolutionary Entomology, Gembloux Agricultural University, Gembloux, Belgium

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  • Bach Kim Nguyen,

    Affiliation: Department of Functional and Evolutionary Entomology, Gembloux Agricultural University, Gembloux, Belgium

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  • Maryann Frazier,

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

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  • Jim Frazier,

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

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  • Diana Cox-Foster,

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

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  • Yanping Chen,

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

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  • Robyn Underwood,

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

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  • David R. Tarpy,

    Affiliation: Department of Entomology, North Carolina State University, Raleigh, North Carolina, United States of America

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  • Jeffery S. Pettis mail

    Jeffery.Pettis@ars.usda.gov

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

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  • Published: August 03, 2009
  • DOI: 10.1371/journal.pone.0006481

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