Tags: Arachnid.
The Astigmatina are a cohort of mites. They belong to the Sarcoptiformes which contain the biting Acariformes. Many species are parasites of vertebrates. Most notorious among these are the Psoroptidia which contain such notable taxa as feather mites and Sarcoptes scabiei.The Astigmata are of unclear relationships to those mites commonly united as Oribatida. The latter appear to be paraphyletic and in need of division into two orders as some of them (e.g.
