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Definition of Argasidae
1. Noun. Soft ticks.
Exact synonyms: Family Argasidae
Generic synonyms: Arthropod Family
Group relationships: Acarina, Order Acarina
Member holonyms: Argasid, Soft Tick
Generic synonyms: Arthropod Family
Group relationships: Acarina, Order Acarina
Member holonyms: Argasid, Soft Tick
Medical Definition of Argasidae
1. Family of ticks (superfamily Ixodoidea, order Acarina), the soft ticks, so called because of their wrinkled, leathery, tuberculated appearance that fills out when the tick is engorged with blood. A dorsal shield (scutum) is not present; the mouthparts (capitulum) are subterminal or ventral in a depression (camerostome) that extends above the capitulum to form the anterior margin of the cephalothorax (hood). Argasidae contains 4 genera: Argas, Ornithodoros, Otobius, and Antricola; argasid ticks, chiefly species of Ornithodoros, harbor and transmit spirochetes of the genus Borrelia that cause relapsing fever in birds and mammals. (05 Mar 2000)
Lexicographical Neighbors of Argasidae
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