In my case, I thought I was being slick. Rarely being able to find the
queen anyway, I separated the (3 mediums) brood chamber putting an
excluder over the #2 box, a super over that and (former) brood box #3 on
top. 11 days later, worker cells were being converted to drones above and
below.
I thought the old queen may have simply run out of drone juice which has
happened to me before. And for all I know that may be the case, But
instead of getting a queenless brood chamber to which I could add a queen,
I now have boxes filled with bees with no mated queen.
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