Utah State University Extension
Predatory mites can provide natural pest control by eating unwanted pests. These beneficial mites are one way to maintain pest populations at non-damaging levels, known as biological control. By encouraging predatory mite populations, plants can be protected from excessive pest attack and damage.
Patterson, Ron and Ramirez, Ricardo, "Beneficial Predators: Predatory Mites" (2012). All Current Publications. Paper 858.