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Ear mites are mites that live in the ears of animals. The most commonly seen species in veterinary medicine is Otodectes cynotis (Gk. oto =ear, dectes =biter, cynotis =of the dog). This species, despite its name, is also responsible for 90% of ear mite infections in felines.
Sarcoptes equi is a species of mites. It occurs in horses and riders; they can suffer an itchy skin disorder, a form of scabies. [1] References
Psoroptidae is a family of parasitic mites, [2] which are 1–2 mm (0.039–0.079 in) long and live on the surface of the skin, rather than burrowing into it. [3] These mites affect various species, including cats, dogs, rabbits, cattle, sheep, and horses, causing skin inflammation, scabs, crusting, and hair loss.
Psoroptes cuniculi infests rabbits, mainly on their outer ear. Chorioptes bovis infestations are found on cattle, sheep and horses but do not cause the severe reactions associated with Psoroptes mites. Other common psoroptic mites are in the genera Chorioptes and Otodectes. Otodectes cynotis infestations in the ears of dogs are a common problem.
The mite is 0.4 mm (0.016 in) in size, [2] approximately the size of a grain of salt, and can be seen with the naked eye. [5] It lives in the external ear canal of its host, and causes intense irritation leading to otitis externa. [2] The lifecycle of O. cynotis takes approximately three weeks. [1]
Otobius megnini, also known as the spinose ear tick, is a soft-bodied tick that is only parasitic in the larval and nymphal stages. As its common name suggests, the spinose ear tick's parasitic forms are usually found within the ears of the definitive host .
Psoroptidia is a parvorder of the Acari group Astigma (or Astigmatina). [1] It comprises around 40 families, and apparently originated as parasites of birds, before a secondary radiation saw some taxa become parasites of mammals. [2]
These mites remain external to the true outer layer of the skin (the epidermis) which also lines the tube of the hair follicle. However, the mites appear to be deep within the skin in the sense of being below the general outer surface of the host. The mites fit in the narrow space between the hair and the tube of the follicle.