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Tick species guide
Tick-borne diseases are becoming an increasing problem in the United States. Between 2014 and 2018, more than 200,000 cases were reported in the U.S.
Although there are hundreds of species of ticks found throughout the world, fewer than 60 are known to bite and spread disease to humans. Here are some of the more common human-biting ticks in the United States and the parts of the country where you’ll most likely find them. These are images of unfed adult ticks.
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Jan. 27, 2023
- Regions where ticks live. Centers for Disease Control and Prevention. https://www.cdc.gov/ticks/geographic_distribution.html. Accessed Dec. 8, 2020.
- Tickborne diseases of the United States: A reference manual for health care providers. Centers for Disease Control and Prevention. https://www.cdc.gov/ticks/tickbornediseases/index.html. Accessed Dec. 8, 2020.
- Pujalte GGA, et al. Tick-borne illnesses in the United States. 2018; doi:10.1016/j.pop.2018.05.011.
- Pace EJ, et al. Tickborne diseases: Diagnosis and management. American Family Physician. 2020;101:530.
- Tickborne disease surveillance data summary. Centers for Disease Control and Prevention. https://www.cdc.gov/ticks/data-summary/index.html. Accessed Dec. 8, 2020.
- Alpha-gal and red meat allergy. American Academy of Allergy, Asthma & Immunology. https://www.aaaai.org/conditions-and-treatments/library/allergy-library/alpha-gal. Accessed Dec. 8, 2020.
- What you need to know about Asian longhorned ticks — A new tick in the United States. Centers for Disease Control and Prevention. https://www.cdc.gov/ticks/longhorned-tick/index.html. Accessed Dec. 8, 2020.
- Longhorned tick: Information for livestock and pet owners. U.S. Department of Agriculture. https://www.aphis.usda.gov/aphis/newsroom/publications. Accessed Dec. 8, 2020.
- Pritt BS (expert opinion). Mayo Clinic. Jan. 18, 2021.
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