In Taxonomy Animal (specifically in Entomology) is the name of an Order of Micarothat has 5 families : Dermanyssidae , Parasitidae , Phytoseiidae , Spinturnicidae and Uropodidae . Many taxonomists and entomologists use the terms Gamasina or Mesostigmata. They usually differ from other mites, by having 6 coffers on their legs, having knotts and a pair of spiracls. They are predators of other parasitic mites, therefore they have importance in Agriculture.