Lloyd Spear wrote:

Now...if only someone would tell us how to get bumblebees to produce queens
and drones so we, as beekeepers, could get a piece of the market for
supplying them as pollinators!

Apparently it is not very difficult.  The colonies can be kept in a flight
cage and will produce mated queens.  These are then caught and put with some
newly emerged worker honeybees to found colonies.

Peter Edwards
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