- Crop pollination exposes honey bees to pesticides which alters their susceptibility to the gut pathogen Nosema ceranae
Jeffery S Pettis
Bee Research Laboratory, USDA ARS, Beltsville, Maryland, United States of America
PLoS ONE 8:e70182. 2013
..Our results highlight a need for research on sub-lethal effects of fungicides and other chemicals that bees placed in an agricultural setting are exposed to. ..
- Idiopathic brood disease syndrome and queen events as precursors of colony mortality in migratory beekeeping operations in the eastern United States
Department of Entomology, Plant Science Building, University of Maryland, MD 20742, USA
Prev Vet Med 108:225-33. 2013
..These finding support the growing consensus that the causes of colony mortality are multiple and interrelated...
- Short-term fumigation of honey bee (Hymenoptera: Apidae) colonies with formic and acetic acids for the control of Varroa destructor (Acari: Varroidae)
Pennsylvania Department of Agriculture, 2301 North Cameron St, Harrisburg PA 17110, USA
J Econ Entomol 101:256-64. 2008
..The short-term formic acid treatment killed > 60% of varroa mites in capped worker brood; thus, it is a promising tool for beekeepers, especially when such treatments are necessary during the nectar flow...
- A survey of honey bee colony losses in the U.S., fall 2007 to spring 2008
Dennis Van Engelsdorp
Pennsylvania Department of Agriculture, Bureau of Plant Industry Apiculture, Harrisburg, PA, USA
PLoS ONE 3:e4071. 2008
..Our survey quantifies the extent of colony losses in the United States over the winter of 2007-2008...
- "Entombed Pollen": A new condition in honey bee colonies associated with increased risk of colony mortality
Pennsylvania Department of Agriculture, Penn State University, Harrisburg, 17074, United States
J Invertebr Pathol 101:147-9. 2009
..Additional studies are needed to determine if there is a causal relationship between entombed pollen, chemical residues, and colony mortality...
- Weighing risk factors associated with bee colony collapse disorder by classification and regression tree analysis
Bureau of Plant Industry, Pennsylvania Department of Agriculture, 2301 North Cameron St, Harrisburg PA 17110, USA
J Econ Entomol 103:1517-23. 2010
..This analysis highlights several areas that warrant further attention, including the effect of sublethal pesticide exposure on pathogen prevalence and the role of variability in bee tolerance to pesticides on colony survivorship...
- RNA viruses in hymenopteran pollinators: evidence of inter-Taxa virus transmission via pollen and potential impact on non-Apis hymenopteran species
Department of Entomology, The Pennsylvania State University, Pennsylvania, United States of America
PLoS ONE 5:e14357. 2010
..This study adds to our present understanding of virus epidemiology and may help explain bee disease patterns and pollinator population decline in general...
- Population-genomic variation within RNA viruses of the Western honey bee, Apis mellifera, inferred from deep sequencing
Robert Scott Cornman
Bee Research Laboratory, USDA ARS, Beltsville, MD 20705, USA
BMC Genomics 14:154. 2013
..All viral RNA was extracted from North American samples of honey bees or, in one case, the ectoparasitic mite Varroa destructor...
- A rapid survey technique for Tropilaelaps mite (Mesostigmata: Laelapidae) detection
Jeffery S Pettis
USDA ARS Bee Research Laboratory, Bldg 476 BARC E, Beltsville, MD 20705, USA
J Econ Entomol 106:1535-44. 2013
..However, regulators may favor the sensitivity of the Drop test (collecting mites that fall to the bottom of a hive on sticky boards) over the less time-intensive Bump test...
- Pathogen webs in collapsing honey bee colonies
R Scott Cornman
Bee Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland, United States of America
PLoS ONE 7:e43562. 2012
..The results are discussed with respect to host-parasite interactions and other environmental stressors of honey bees...
- High levels of miticides and agrochemicals in North American apiaries: implications for honey bee health
Christopher A Mullin
Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America
PLoS ONE 5:e9754. 2010
..A broad survey of pesticide residues was conducted on samples from migratory and other beekeepers across 23 states, one Canadian province and several agricultural cropping systems during the 2007-08 growing seasons...
- Pesticide exposure in honey bees results in increased levels of the gut pathogen Nosema
Jeffery S Pettis
USDA ARS Bee Research Laboratory, Beltsville, MD, USA
Naturwissenschaften 99:153-8. 2012
..Interactions between pesticides and pathogens could be a major contributor to increased mortality of honey bee colonies, including colony collapse disorder, and other pollinator declines worldwide...
- Direct effect of acaricides on pathogen loads and gene expression levels in honey bees Apis mellifera
USDA ARS Bee Research Lab, BARC East Bldg 476, Beltsville, MD 20705, USA
J Insect Physiol 58:613-20. 2012
..These could potentially interfere with the health of individual honey bees and entire colonies...
- A metagenomic survey of microbes in honey bee colony collapse disorder
Diana L Cox-Foster
Department of Entomology, Pennsylvania State University, University Park, PA 16802, USA
Science 318:283-7. 2007
..One organism, Israeli acute paralysis virus of bees, was strongly correlated with CCD...
- A historical review of managed honey bee populations in Europe and the United States and the factors that may affect them
Department of Entomology, The Pennsylvania State University, 501 ASI Bldg, University Park, PA 16802, USA
J Invertebr Pathol 103:S80-95. 2010
- Colony collapse disorder: a descriptive study
Pennsylvania Department of Agriculture, Harrisburg, PA, USA
PLoS ONE 4:e6481. 2009
..We initiated a descriptive epizootiological study in order to better characterize CCD and compare risk factor exposure between populations afflicted by and not afflicted by CCD...
- Genetic diversity affects colony survivorship in commercial honey bee colonies
David R Tarpy
Department of Entomology, North Carolina State University, Campus Box 7613, Raleigh, NC 27695 7613, USA
Naturwissenschaften 100:723-8. 2013