Robert: Brenchley:

>    The bacteria in the larva's gut compete for the  food there, and
> eventually overwhelm it so that it starves. If it's already  suffering 
> because of poor
> nutrition, it's going to be more vulnerable.

I am sure that I read somewhere recently that this is not quite so, but I 
cannot remember where.  Life has been a bit stressful recently!
Best wishes

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

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