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据文献记载，古希腊亚里斯多德（Aristoteles384-322B．C．）在他的“动物史”篇中，最早称螨类为akari，希腊语a＋kart即“无头”的意思。至公元1502年由ThaxlorosGaZaios改为拉丁语acari。这就是蜱螨亚纲（Acari）的来历。蜱螨没有头，颚体不含脑，脑位于头胸腹愈合为一体的?
According to the literature, the ancient Greek aristoteles (Aristoteles384-322B.C.) In his “animal history” articles, the earliest known mites as akari, Greek a + kart means “headless.” To 1502 by the ThaxlorosGaZaios to Latin acari. This is the origin of Acari. Acarina without head, jaw without brain, brain in head and chest abdominal union as one?