Oh, and maybe I should add that it did not prove to be a very good bee repellent, and it does not stick around, either. It flashes off instantly. But it seems to be lethal to varroa mites. Thus the microencapsulation idea. As I said, too, the product is still under testing, but is promising enough to show to the beekeeper groups. Stay tuned. allen :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::