>No doubt, drone evictions are region and bee race dependent.

I do not believe so. Simply about survival. I have been through many periods
of severe drought in the last 40+ years.

First to go when the going gets tough are the drones! Second is brood .

A quick way to find a queenless hive in October is to look for the hive with
all the drones. None tossed in queenless hive. All the drones tossed from
queenright hives end up in the queenless hive!

Sincerely,
Bob Harrison

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