>Ideally, temperature will range between 37-42 degrees F. Humidity is
controlled in a range not to exceed 50%.

 

Unfortunately, indoor storage models control for ventilation rate, ambient
temperature and humidity but not for envelope resistance values.

 

Also interesting that the study employed to substantiate a metabolic minimum
at 40 degrees F is not based on studies of overwintering colonies but rather
on flying bees in a respirometry chamber:

 

Mechanisms of thermal stability during flight in the honeybee Apis mellifera
-
https://journals.biologists.com/jeb/article/202/11/1523/7933/Mechanisms-of-t
hermal-stability-during-flight-in

 

I am unaware (but am certainly open to seeing) any published studies that
have found winter colony performance improved in uninsulated versus
insulated cavities when controlling for cluster size, location and ambient
environment.

 


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