Other than make them hugely relieved to not have mites?
None.
Several studies have shown that vaporised OA is very well tolerated by bees - have a look at stuff from the Sussex Ratnieks group for example.
Other than make them hugely relieved to not have mites?
None.
Several studies have shown that vaporised OA is very well tolerated by bees - have a look at stuff from the Sussex Ratnieks group for example.
Thanks, fatshark. I didn't notice any bad effects when I did 3 treatments at 7 days intervals last autumn.
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