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Ixodes howelli

Ixodes howelli

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Ixodes howelli


The geographic distribution for this little-known species includes at least AK, CA, CO, MT, and TX  but, like I. baergi, it may be more widespread. Its presence in Colorado is based on a single nymph collected in Weld County in 1943 from a prairie falcon and identified by Kohls and Ryckman (1962).


Hosts are primarily cliff swallows; but also other birds that may nest nearby, including the gray-crowned rosy finch, the prairie falcon; and the gyrfalcon.

Vector Status

This tick currently has no known medical or veterinary importance.


H Joel Hutcheson, James W Mertins, Boris C Kondratieff, Monica M White, Ticks and Tick-Borne Diseases of Colorado, Including New State Records for Argas radiatus (Ixodida: Argasidae) and Ixodes brunneus (Ixodida: Ixodidae)Journal of Medical Entomology, tjaa232,