The patterns are generally starkly
> obvious by then though drone infestation may be "clumpy".
> According to the best of my knowledge from reading and talking to 
> researchers you will have 8-12x infestation in drone vs worker. Randy also 
> mentioned this in a column of his sometime back

I do drone brood removal for control and have sampled a considerable number 
of cells. I find the mite distribution to be quite erratic, often times 
clustered in various areas. I think it very unreliable to judge mite 
population on less than a couple hundred cells in more than one or two 
areas. Not sure why these congregation areas exist.

A. Marshall 

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