Hi Chuck and Everyone,
Btk itself will not harm honey bees but some of the other things like surfactants and stickers might if they are applied directly to the insects.  At least here in MN when Btk is used on gypsy moth spraying is done very early in the morning before there is any significant honey bee activity and the applications do not seem to have any impact on honey bees.  There appears to be more impact on cars than bees ( the stickers really do their job and it can be difficult to wash the stuff off if it is allowed to dry )

I doubt you will have any problems.

Hope this helps.

blane


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Blane White
MN Dept of Agriculture
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