Posts Categorized: Winter Loss

Winter Loss Survey 2012-2013

A national survey of managed honey bee 2012-2013 annual colony losses in the USA: results from the Bee Informed Partnership Published in the Journal of Apicultural Research, this survey in its sixth consecutive year, reports the winter 2011 – 2012 losses in the USA at 22.5%. Nathalie A Steinhauer, Karen Rennich, Michael E Wilson, Dewey…

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Winter Loss Survey 2012 – 2013: Preliminary Results

Preliminary Results: Honey Bee Colony Losses in the United States, Winter 2012-2013 EMBARGOED UNTIL MAY 7th. May 1, 2013 Dennis vanEngelsdorp1*, Nathalie Steinhauer1, Karen Rennich1, Jeffery Pettis2, Eugene J. Lengerich3, David Tarpy4, Keith S. Delaplane5, Angela M. Spleen3, James T. Wilkes6, Robyn Rose7, Kathleen Lee8, Michael Wilson9 , John Skinner9 , and Dewey M. Caron…

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Winter Loss Survey 2011 -2012

A national survey of managed honey bee 2011-12 winter colony losses in the United States: results from the Bee Informed Partnership Published in the Journal of Apicultural Research, this survey in its sixth consecutive year, reports the winter 2011 – 2012 losses in the USA at 22.5%.   Angela M Spleen, Eugene J Lengerich, Karen…

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Winter Loss Survey 2011 – 2012: Preliminary Results

Note: This is a preliminary analysis, and a more detailed final report is being prepared for publication at a later date. April 25, 2012 Dennis vanEngelsdorp1, Jeffery Pettis2, Karen Rennich1, , Robyn Rose3 , Dewey Caron4, Keith S. Delaplane5, James T. Wilkes6, Eugene J. Lengerich7, Kathy Baylis8, and the Bee Informed Partnership. The Bee Informed…

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Winter Loss Survey 2010 -2011

A national survey of managed honey bee 2010-11 winter colony losses in the USA: results from the Bee Informed Partnership Published in the Journal of Apicultural Research, this study records the fifth consecutive year that winter losses of managed honey bee colonies in the USA have been around 30%. vanEngelsdorp, D., D. Caron, J. Hayes,…

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Winter Loss Survey 2009 – 2010

A survey of managed honey bee colony losses in the USA, fall 2009 to winter 2010 Published in the Journal of Apicultural Research, this survey found that over the winter of 2009-2010, US beekeepers lost an average of 42.2% of their colonies, for a total loss of 34.4%. vanEngelsdorp, D., J. Hayes Jr, R. M….

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Winter Loss Survey 2008 – 2009

A survey of honey bee colony losses in the United States, fall 2008 to spring 2009 Published in the Journal of Apicultural Research, this survey found that an estimated 29% of all US colonies died over the winter of 2008-2009. vanEngelsdorp, D., J. Hayes Jr, R. M. Underwood, and J. S. Pettis. 2010. A survey…

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Winter Loss Survey 2007 – 2008

A Survey of Honey Bee Colony Losses in the U.S., Fall 2007 to Spring 2008 Published in PlosOne, the survey reported a total loss of 35.8% of colonies; an increase of 11.4% compared to the previous year. vanEngelsdorp D, Hayes J Jr, Underwood RM, Pettis J (2008) A Survey of Honey Bee Colony Losses in…

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Winter Loss Survey 2006-2007

An Estimate of Managed Colony Losses in the Winter of 2006 – 2007: A Report Commissioned by the Apiary Inspectors of America. Published in the American Bee Journal, the 2006 – 2007 survey was the first Winter Loss Survey. It was conducted by members of the Apiary Inspectors of America (AIA). The total loss and…

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