> how long they can survive in the absence 
of  a living host
At least 6 months, maybe 2 yrs

> what evidence do you have that you have virus 
contaminated comb
The brood corpses? At least 20 frames.

It can be shown high doses of vit C influence
symptoms  -- dramatically,  QED virus

Search my posts for "nosema"
Tests jun24/07, jan20, feb16?/08

Yes the fall formic was a partial failure
20-25% of the excavated (coloured) pupae
had no mite feacal spots (wearing
too strong reading glasses)
Lots of mites, but nary a bee

They have had their first OA(v)
Too early, I know but what else can I do?

dave

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