You searched for: “acarian”
acarian (s) (noun), acarians (pl)
A tick or mite of the subclass Acani: In his biology book, Jim learned about acarians, which were also termed arachnids or the order Acarina.
acarian (adjective), more acarian, most acarian
Pertaining to, caused by, or of the nature of a mite: Acarian organisms are minute or tiny creatures whose history goes back to the early Devonian period.