I have been keeping bees for 40 years. I don't recall learning to use robber screens when I first began, but I get many questions from nubees who think they are the standard. When did robber screens arrive on the scene? Was I just not paying attention? Or did it just arrive as with the flow hive? With my beekeeping style I don't usually find a need for such.
The enquiring mind wants to know.
Larry Krengel
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