
Community identification
American Dog Tick
Dermacentor variabilis
- Order & Family
- Ixodida, Ixodidae
- Size
- 3 to 5 mm (unfed adult), up to 15 mm (engorged female)
Natural Habitat
Grassy areas, wooded paths, and low vegetation where hosts are likely to pass
Diet & Feeding
Blood from mammals, including dogs, deer, raccoons, and humans
Behavior Patterns
They exhibit questing behavior by climbing to the tips of grass or leaves and extending their legs to grab onto passing hosts. They have a four-stage life cycle: egg, larva, nymph, and adult.
Risks & Benefits
As vectors, they can transmit Rocky Mountain Spotted Fever and Tularemia to humans. They are also known to cause tick paralysis in both pets and humans if not removed.