----- 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