Community identification
Dog Tick (Engorged)
Dermacentor variabilis
- Order & Family
- Ixodida (Order), Ixodidae (Family)
- Size
- 3 to 5 mm (unfed), up to 15 mm or larger when fully engorged
Natural Habitat
Grassy areas, woodlands, brush, and areas frequented by mammalian hosts
Diet & Feeding
Hematophagous (blood-feeding parasite that feeds on mammals including dogs, cattle, and humans)
Behavior Patterns
Employs a 'questing' behavior by climbing vegetation and extending legs to grasp onto passing hosts. Feeds for several days before dropping off to molt or lay eggs.
Risks & Benefits
Risks: Can transmit serious blood-borne pathogens including Rocky Mountain spotted fever and tularemia. Benefits: Serves as a minor food source for some bird species and reptiles.