Summary
In queenright colonies of Apis mellifera, worker policing normally eliminates worker-laid eggs thereby preventing worker reproduction. However, in queenless colonies that have failed to rear a replacement queen, worker reproduction is normal. Worker policing is switched off, many workers have active ovaries and lay eggs, and the colony rears a last batch of male brood before dying out. Here we report a colony which, when hopelessly queenless, did not stop policing although a high proportion of workers had active ovaries (12.6%) and many eggs were laid. However, all these eggs and also worker-laid eggs transferred from another colony were policed. This unusual pattern was repeated eight weeks later by a second queenless colony made using worker bees from the same mother colony, which strongly suggests genetic determination.
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Received 19 May 2003; revised 11 September 2003; accepted 23 September 2003.
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Châline, N., Martin, S.J. & Ratnieks, F.L.W. Worker policing persists in a hopelessly queenless honey bee colony (Apis mellifera). Insect. Soc. 51, 113–116 (2004). https://doi.org/10.1007/s00040-003-0708-y
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DOI: https://doi.org/10.1007/s00040-003-0708-y