Like Randy Oliver writes in his articles in American Bee Journal, there are no silver bullets. You have to use brass knuckles. Intragrated Pest Management is the key.
Methods I use are Formic Acid in Mite Away II in spring and fall prior to and after surplus supers are on the hives, Powered Sugar dusting during the nectar flow months. And Screen bottom boards year around. I have also use Sucrocide but feel that Sugar dusting is easier cheaper and just as affective.
The Busy Bee teaches two lessons: One is not to be idle and the other is not to get stung.