CATCH THE BUZZ – Learning to Identify a Common Cause of Winter Death in Northern Climates

By Meghan Milbrath, Michigan State University Extension, March 8, 2016

Guest Blog to Bee Informed

Beekeepers in northern climates have already lost a lot of colonies this winter.  While official counts won’t be recorded for a few months, some trends are starting to emerge.  One of these trends is a specific type of colony death.  In Michigan, I’ve received so many calls describing the scenario below, that I can describe the deadout before opening the hive, or before the beekeeper describes it over the phone.  While I may impress some with these predictive powers, the frequency of these types of losses indicates a real epidemic that is affecting honey bee colonies in northern states.

Characteristics of the common early winter death in northern states:

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