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A national survey of managed honey bee 2013-2014 annual colony losses in the USA

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Title A national survey of managed honey bee 2013-2014 annual colony losses in the USA
Names Lee, Kathleen V. (creator)
Steinhauer, Nathalie (creator)
Rennich, Karen (creator)
Caron, Dewey M. (creator)
Sagili, Ramesh (creator)
et al. (creator)
Date Issued 2015-05 (iso8601)
Note To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The published article is copyrighted by the author(s) and published by Springer. The published article can be found at: http://www.apidologie.org/
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 the results from the eighth annual survey on winter losses and the second annual
survey of summer and annual losses. There were 7425 valid respondents (7123 backyard, 190 sideline, and 112
commercial beekeepers) managing 497,855 colonies, 19 % of the total US colonies. Total losses reported were
19.8% [95% CI 19.3–20.3 %] over the summer, 23.7 % [95% CI 23.3–24.1 %] over the winter, and 34.1 % [95 %
CI 33.6–34.6 %] for the whole year. Average losses were 15.1 % [95 % CI 14.5–15.7 %] over the summer, 44.8 %
[95 % CI 43.9–45.7 %] over the winter, and 51.1 % [95 % CI 50.2–51.6 %] for the whole year. While total winter
loss was one of the lowest reported in 8 years, 66%of all beekeepers had higher losses than they deemed acceptable.
Genre Article
Topic honey bee
Identifier Lee, K. V., Steinhauer, N., Rennich, K., Wilson, M. E., Tarpy, D. R., Caron, D. M., ... & Sagili, R. (2015). A national survey of managed honey bee 2013–2014 annual colony losses in the USA. Apidologie, 46(3), 292-305. doi:10.1007/s13592-015-0356-z

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