Abstract Declines of pollinators and high mortality rates of honey bee colonies are a major concern, both in the USA and globally. Long-term data on summer, winter, and annual colony losses improve our understanding of forces shaping the viability of the pollination industry. Since the mass die-offs of colonies in the USA during the winter of…
Posts Categorized: Colony Loss
Colony Loss 2015-2016: Preliminary Results
Note: This is a preliminary analysis. Sample sizes and estimates are likely to change. A more detailed final report is being prepared for publication in a peer-reviewed journal at a later date. Nathalie Steinhauer1 , Karen Rennich1, Dewey M. Caron2, Keith Delaplane3, Juliana Rangel4, Robyn Rose5, Ramesh Sagili2, John Skinner6, James T. Wilkes7, Michael E….
Colony Loss 2014-2015: Preliminary Results
Nathalie Steinhauer1, Karen Rennich1, Kathleen Lee2, Jeffery Pettis3, David R. Tarpy4, Juliana Rangel5, Dewey Caron6, Ramesh Sagili6, John A. Skinner7, Michael E. Wilson7, James T. Wilkes8, Keith S. Delaplane9, Robyn Rose10, Dennis vanEngelsdorp1 1 Department of Entomology, University of Maryland, College Park, MD 20742 2 Department of Entomology, University of Minnesota, St. Paul, MN 55108…
Colony Loss 2013 – 2014
Peer reviewed results from the 2013-2014 loss survey are published here Abstract Honey bee colony losses are a major concern in the USA and across the globe. Long-term data on losses are critical for putting yearly losses in context. US colony loss surveys have been conducted yearly since the winter of 2006–2007. Here, we report…
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…
Colony Loss 2013-2014: Preliminary Results
Preliminary Results: Honey Bee Colony Losses in the United States, 2013-2014 May 6, 2014 Dennis vanEngelsdorp1*, Nathalie Steinhauer1, Karen Rennich1, Michael Wilson2, Kathy Baylis3, Dewey M. Caron4, Keith S. Delaplane5, Jamie Ellis6, Kathleen Lee7, Eugene J. Lengerich8, Jeff Pettis9, Robyn Rose10, Ramesh Sagili4, John Skinner2, Angela M. Spleen8, David R. Tarpy11, Dominic Travis7, James T….
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…
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…
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…
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,…