Dog Tick

Scientific Name: Dermacentor variabilis

Order & Family: Ixodida, Ixodidae

Size: 3mm to 5mm (unfed), can grow up to 15mm when fully engorged.

Dog Tick

Natural Habitat

Found in wooded areas, grassy fields, and brushy locations, often clinging to vegetation waiting for a host.

Diet & Feeding

Hematophagous; feeds on the blood of mammals, including dogs, livestock, and humans.

Behavior Patterns

Uses a behavior called questing to find a host by extending legs while perched on plants; has a three-host life cycle including larva, nymph, and adult stages.

Risks & Benefits

Risk of transmitting diseases such as Rocky Mountain spotted fever and tularemia; no significant ecosystem benefits.

Identified on: 5/18/2026