Different species of animals host different species of Demodex. Demodex canis lives on the domestic dog. The presence of Demodex species on mammals is common and usually does not cause any symptoms. Demodex is derived from Greekδημός (dēmos) 'fat' and δήξ, δηκός (dēx, dēkós) 'woodworm'.[4][5][6]
^Owen, [Richard] (1843). "Lecture XIX. Arachnida". Lectures on Comparative Anatomy. London: Longman, Brown, Green, and Longmans. p. 252.