Brian Fredericksen wrote:

>Take a mite count doing an ether or sugar roll and determine the level
>of mites you have in a hive or hives.
>
>Then install a sticky board and 1 or 2 apistan strips and after 24-48
>hours see what kind of drop you get with the Apistan. Repeating this
>with other types of treatments will give you some insight to if you have
>resistant mites.
>
>
Actually, you will get good drop from Apistan even if you have
resistance. Apistan is used to see the level of infestation even in a
previously resistant colony, and also with cumophose resistant mites. In
fact, you can put in a Cumophose strip and get little drop and an
Apistan strip and get good drop if the mites are resistant to both. It
will probably be misleading to use the drop as an indicator of
resistance in the colony.

The key was posted by someone else who noted that you will get much less
effectiveness from the strip, but you will get some control.

Bill Truesdell
Bath, Maine

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