Tick species guide
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Tick-borne diseases are becoming an increasing problem in the United States. Since 2009, more than 200,000 cases have been reported.

Although there are hundreds of species of ticks found throughout the world, fewer than 60 are known to bite and transmit disease to humans. Here are some of the more common ticks and the geographic locations where you'll most likely encounter them. These are images of unfed adult ticks.

Feb. 28, 2019