A genus of soft ticks (family Argasidae) several species of which are vectors of pathogens of various relapsing fevers. They are characterised by a capitulum hidden below the hood and by disks and mamillae of the integument that are continuous from dorsal to ventral surfaces in a variety of patterns.
Origin: G. Ornis (ornith-), bird, + doros, a leather bag
(05 Mar 2000)
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