
Community identification
Dog Tick (Nymph)
Dermacentor variabilis
- Order & Family
- Order Ixodida, Family Ixodidae
- Size
- Nymphs are approximately 1-2 mm in length (roughly the size of a poppy seed).
Natural Habitat
Found in wooded areas, tall grasses, and leaf litter; common in areas with significant undergrowth and proximity to mammalian paths.
Diet & Feeding
Obligate hematophages; they feed exclusively on the blood of mammals, birds, and occasionally reptiles.
Behavior Patterns
They exhibit 'questing' behavior by climbing to the tips of grass or leaves and extending their legs to latch onto passing hosts. They have a four-stage life cycle: egg, larva, nymph, and adult.
Risks & Benefits
Significant risk to humans and animals as vectors for diseases such as Rocky Mountain spotted fever and tularemia. They provide no significant benefits to human ecosystems and are considered medical pests.