>  showed that varroa reproduced just as well in 4.7 mm
> cells as larger cells"

I would imagine this study on 4.7mm cells would have been on Africanised
bees.  It is not easy to transpose results from Africanised bees to
European bees in many parts of bee behaviour.

As I recall, the New Zealand study was a very short study and in my
opinion did not give enough time to really study the effects of small
cell on varroa.  If I recall correctly, they had great difficulty in
getting the bees to draw 4.9 cells.  At the time, I thought they did not
really give the bees time to size down, not that I am a 100% believer
that small cells are the answer.  I just think that scientifically you
need to be as accurate as possible.

Trevor Weatherhead
AUSTRALIA

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