Mites, along with ticks, belong to the subclass Acarina (also known as Acari) and the class Arachnida. Mites are among the most diverse and successful of all the invertebrate groups. They've exploited an incredible array of habitats, and because of their small size (most are microscopic) most go totally unnoticed. Many live freely in the soil or water, but there're also a large number of species that live as parasites on plants, animals, and some that feed on mold. Some of the plant pests inclu… (More on Mite)