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Common tick species in the US

Content Updated: March 17, 2026

Key takeaways

  • There are over 90 different tick species in the U.S., with Deer ticks and American dog ticks being the most common carriers of diseases.
  • Ticks are categorized into hard-bodied and soft-bodied types, each with distinct characteristics and disease transmission risks.
  • Effective tick prevention involves maintaining outdoor spaces, wearing protective clothing, and regularly checking for ticks after outdoor activities.
  • If you find a tick on yourself or your pets, prompt removal is essential, and medical attention should be sought if any symptoms develop following a bite.

Jump to section:

Hard-bodied vs. soft-bodied ticks

Deer tick (black legged tick)

Brown dog tick

American dog tick (wood tick)

Lone star tick

Gulf Coast tick

Western black-legged tick

Tick prevention tips

What to do if you find ticks

There are over 850 types of ticks worldwide. 1 These tiny yet significant arachnids are found in most parts of the world, from dense forests to arid deserts. Each tick species has adapted to its environment, playing a role in its local ecosystem. In the United States alone, approximately 90 different ticks have been identified, with the Deer tick and American dog tick being the most common.1 Learn about each tick species and when it’s time for professional tick control.

Identifying the common types of tick

While different types of ticks can vary in size, color, and body type, they all share some key identifying features. All ticks are arachnids, eight-legged relatives of spiders. They have a distinct body in two sections, unlike insects with three. They lack wings and rely on finding a host to feed on blood. Their most defining feature is their mouthparts, designed to pierce the skin and anchor them for extended feeding. Regardless of the type of tick, they can pose health risks by transmitting various diseases to both humans and animals.



Hard-bodied vs. soft-bodied ticks

Hard-bodied ticks have a distinctive scutum that gives them a harder, more shield-like appearance, along with visible mouthparts that extend outward. They typically require a longer feeding period and can transmit diseases such as Lyme disease and Rocky Mountain spotted fever. In contrast, soft-bodied ticks lack this scutum, resulting in a more rounded and leathery appearance with hidden mouthparts. They tend to feed quickly and often inhabit nests or burrows, where they can transmit diseases such as Tick-borne Relapsing Fever.

Deer tick (black legged tick)

  •  

    Size: Less than â…› of an inch
  •  

    Color: Reddish-brown body with dark legs
  •  

    Habitat: Wooded, brushy areas where deer and small rodents live
  •  

    Location: Northeastern, Mid-Atlantic, and North-Central states
  •  

    Disease: Known to transmit Lyme disease

Brown dog tick on skin

Brown dog tick

  • Size: â…›-½ inches long

  • Color: Brown, may become reddish-brown when engorged

  • Habitat: Prefer indoor environments, especially where dogs are present

  • Location: Found in all states

  • Disease: Known to transmit Rocky Mountain Spotted Fever, Canine Babesiosis, and Canine Ehrlichiosis

american dog tick

American dog tick (wood tick)

  • Size: ¼-½ inches long

  • Color: Dark brown body with whitish to grayish markings

  • Habitat: Grassy areas with low vegetation where mammals pass

  • Location: Predominantly in the U.S., Canada, and Mexico

  • Disease: Can transmit Rocky Mountain Spotted Fever or Tularemia

lone star tick on skin

Lone star tick

  • Size: ¼-½ inches long

  • Color: Reddish brown with a white spot or streaks

  • Habitat: Wooded areas, tall grass, brush

  • Location: Eastern, southern, and midwestern United States

  • Disease: Can transmit Ehrlichiosis, Tularemia, and Southern Tick-Associated Rash Illness (STARI)

Gulf coast tick on skin

Gulf coast tick

  •  

    Size: ¼-½ inches long
  •  

    Color: Reddish brown with white markings on the shield or legs
  •  

    Habitat: Wooded areas, tall grass, brush
  •  

    Location: Southeastern United States, from Texas to Florida, north to Virginia
  •  

    Disease: Can transmit Rickettsia parkeri

westen black legged tick on skin

Western black-legged tick

  •  

    Size: ⅛-⅜ inches long
  •  

    Color: Reddish brown
  •  

    Habitat: Wooded areas, especially with leaf litter
  •  

    Location: Western United States and Canada
  •  

    Disease: Can transmit Lyme disease, Babesiosis, Borrelia miyamotoi, and Anaplasmosis

Tick prevention

No matter the type of tick, prevention is crucial for staying healthy and avoiding tick-borne diseases. Taking precautions to prevent tick bites is essential to avoid a variety of tick-borne illnesses such as Lyme disease, Rocky Mountain spotted fever, Dengue virus, and ehrlichiosis.

To help prevent ticks in your yard, maintain it by keeping the lawn mowed, removing leaf litter, and creating a barrier with wood chips or gravel between your lawn and wooded areas to restrict tick migration into recreational areas. When outdoors, wear long layers, limit exposed skin, and wear light colors to easily spot ticks. Make sure to check yourself for ticks after outdoor activities like hiking or gardening.

What to do if you find ticks

If you discover a tick on your body, clothing, or pet, it's important to properly remove it right away. Additionally, if you experience any symptoms after a bite, you should seek medical attention immediately.

If you find a tick within your home or have a tick-infested yard, Terminix can help. Attempting to tackle a tick infestation on your own can be challenging, given the resilient nature of these pests and their propensity to spread diseases. Our technicians are well-versed in dealing with multiple types of ticks, using treatments designed to effectively remove these pests and prevent future occurrences.

Contact a Terminix expert to start protecting yourself from different types of ticks today!

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