----- Original Message -----
From: "john f. mesinger" <[log in to unmask]>

>         Organophosphates - don't get it on your skin. Read and
follow
> directions. There is a much smaller [than Apistan] range between
what kills
> mites and what kills bees. What might it do at levels in between ?
>
Neither Bayvarol nor Apistan are organophosphates, unlike Coumaphos.
They are both classed as synthetic pyrethoids, and are regarded as
significantly less hazardous to people than OP's.

John Burgess, Editor Gwenynwyr Cymru/The Welsh Beekeeper