http://www.amazon.com/000-Live-Adult-Predatory-Mites/dp/B00I0ZXU18 http://www.amazon.com/000-Live-Adult-Predatory-Mites/dp/B00I... Predatory mites work fine if

http://www.amazon.com/000-Live-Adult-Predatory-Mites/dp/B00I0ZXU18 http://www.amazon.com/000-Live-Adult-Predatory-Mites/dp/B00I... Predatory mites work fine if other mites are the only problem. They aren't particularly expensive either. But yes, you can't use natural predators. You basically need to introduce them, let them do their jobs, and then most of the predators will die once the problem is controlled for. But give its a $50 problem, its not a very expensive problem and on par with pesticide costs.