Bug Identifier
Dog tick
Community identification

Dog tick

Dermacentor variabilis

Order & Family
Order Ixodida, Family Ixodidae
Size
3 mm to 5 mm unfed, can expand up to 15 mm when fully engorged with blood.
See this bug in the Encyclopedia

Natural Habitat

Grassy areas, wooded paths, and low vegetation where they wait to latch onto passing hosts.

Diet & Feeding

Strictly hematophagous, feeding on the blood of mammals including dogs, rodents, and humans.

Behavior Patterns

Questing for hosts from vegetation, attaching firmly to skin, and feeding slowly over several days before dropping off to molt or lay eggs.

Risks & Benefits

Risks include transmitting serious pathogens such as Rocky Mountain spotted fever and tularemia; they offer no notable ecological benefits to humans.