James wrote:
<You have a single number, devoid
of context.  IPM texts define thresholds in terms of "pests PER acre" or
"pests PER plant".    This gives a valid ratio of pests to victims, and
allows one to make an informed decision. This is a proper threshold.  But
beekeepers keep tap-dancing around the lack of the "per plant" part, as all
they have is a count of pests.
>
I don't understand this statement.  When you do an alcohol wash you get a pretty decent count of mites per bee, representative of the whole colonies infestation level.  Would you disagree with that?
Brion Dunbar
Nevada City, CA

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