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Definition of Ixodes scapularis
1. Noun. Parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick).
Exact synonyms: 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 scapularis
1. The black-legged or shoulder tick, a species found on animals in the southern and eastern U.S.; capable of inflicting a painful bite to humans, and of being a vector of Lyme disease. (05 Mar 2000)