Hugo wrote:
>The third one didn't lay one single egg and the bees did not gather any 
>pollen. I noticed
> that the bees where cleaning cells as if they were preparing a new brood
> nest. Now all old brood has emerged and since a day or two, I see some 
> bees
> entering with pollen, so I guess this one started laying eggs eventually.

Are you sure that the queen that you introduced is still there?  Was she 
marked?  I would suggest that a possible explanation is that there was a new 
queen (virgin or newly-mated, but not yet laying - perhaps they were 
superseding) in the hive when you introduced your queen.  Your queen would 
have been killed immediately and the new queen has now started to lay.

Best wishes

Peter Edwards
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www.stratford-upon-avon.freeserve.co.uk/ 

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