There are some efforts to breed better hygienic behavior into bees, so they clean out parasitized brood or clean themselves of the mites. There are a few chemic

There are some efforts to breed better hygienic behavior into bees, so they clean out parasitized brood or clean themselves of the mites. There are a few chemical treatments, including formic acid. And there are a few management techniques you can employ to disrupt their life cycle. So, it is manageable, though even with close attention and management they are clearly weakening hives and contributing to the mess of problems beekeepers are having.