Crossword Genius

Bees whose sole function is to mate with the queen (6)

Ross

I believe the answer is:

drones

(Other definitions for drones that I've seen before include "Male honey-bees" , "Male honey bees" , "Aircraft operated by remote control" , "Male bees or idlers" , "Stingless male bees" .)

I've seen this clue in The Irish Times.
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