Blacklegged tick (Ixodes scapularis)
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Filetype[PDF-1.40 MB]


  • English
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    Details:

    • Corporate Authors:
      National Center for Emerging and Zoonotic Infectious Diseases (U.S.). Division of Vector-Borne Diseases.
    • Description:
      Approximate distribution of the Blacklegged tick.

      The blacklegged tick (Ixodes scapularis), commonly known as a "deer tick", can transmit the organisms responsible for anaplasmosis, babesiosis, and Lyme disease. This tick is widely distributed in the northeastern and upper midwestern United States. I. scapularis larvae and nymphs feed on small mammals and birds, while adults feed on larger mammals and will bite humans on occasion. It is important to note that the pathogen that causes Lyme disease is maintained by wild rodent and other small mammal reservoirs, and is not transmitted everywhere that the blacklegged tick lives. In some regions, particularly in the southern U.S., the tick has very different feeding habits that make it an unlikely vector in the spread of human disease.

    • Subject:
    • Document Type:
      Map
    • Place as Subject:
      United States
    • Collection(s):
      Stephen B. Thacker CDC Library collection
    • Main Document Checksum:
    • File Type:

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