Bug Identifier
American Dog Tick
Community identification

American Dog Tick

Dermacentor variabilis

Order & Family
Ixodida, Ixodidae
Size
Adults range from 3-5 mm (unfed) to 15 mm (fully engorged).
See this bug in the Encyclopedia

Natural Habitat

Commonly found in areas with little or no tree cover, such as grassy fields and walkways, and along trails in wooded areas.

Diet & Feeding

Hematophagous (blood-feeding); primarily parasitizes small mammals, dogs, and humans.

Behavior Patterns

Three-host life cycle involving questing behavior on vegetation to latch onto passing hosts. Can survive for several years without feeding.

Risks & Benefits

Potential risk to humans and animals as a primary vector for Rocky Mountain spotted fever and tularemia. No significant ecosystem benefits to humans.