Bug Identifier
American Dog Tick
Community identification

American Dog Tick

Dermacentor variabilis

Order & Family
Ixodida, Ixodidae
Size
3.6 mm to 15 mm (unfed vs engorged)
See this bug in the Encyclopedia

Natural Habitat

Tall grass, woodlots, shrubby areas, and trails commonly frequented by mammals

Diet & Feeding

Obligate hematophagy; feeds on the blood of small mammals as larvae/nymphs and dogs or humans as adults

Behavior Patterns

Wait for hosts via 'questing' on vegetation; can survive for long periods without food through a complex three-host life cycle

Risks & Benefits

Major risk to humans as vectors for Rocky Mountain spotted fever and tularemia; no significant ecological benefits recorded for humans