> Re Peter's question, my understanding is that foragers do not directly
deposit nectar into the combs, but rather must first pass it to a mid-aged
bee, which then carries it to the combs.
I think that is generally accepted; my question was whether the nectar is passed from a bee below the excluder, through the excluder, to a bee above rather than being carried through the excluder. That would suggest less traffic through the excluder and would perhaps make its design less important.
Best wishes
Peter
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