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Definition of Ixodes pacificus
1. Noun. A tick that feeds on dusky-footed wood rat and bites humans; principal vector for Lyme disease in western United States especially northern California.
Exact synonyms: Western Black-legged Tick
Generic synonyms: Hard Tick, Ixodid
Group relationships: Genus Ixodes, Ixodes
Generic synonyms: Hard Tick, Ixodid
Group relationships: Genus Ixodes, Ixodes
Medical Definition of Ixodes pacificus
1. The California black-legged tick, a species that is the vector of Lyme disease in the western U.S. (05 Mar 2000)