Randy wrote

> Even native bees are becoming contaminated
> with coumaphos--apparently from contact with honeybees at the flowers, or
> perhaps from residues left by honey bees on flowers.

I wonder if this could also be happening by the native bees having contact 
with honey bee hives and products.  Here in Australia it is common to see 
native Trigona bees entering honey bee hives and robbing honey.  Also our 
native leaf cutter bees work the wax and propolis if left around.  So with 
deadouts, your native bees could also have access to honey and wax which has 
residues in it.

Trevor Weatherhead
AUSTRALIA

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