Black-legged Tick (Deer Tick)

Natural Habitat

Wooded areas, tall grasses, and leaf litter.

Diet & Feeding

Blood from mammals, birds, and sometimes reptiles.

Behavior Patterns

They climb onto grasses and wait for a passing host to latch onto (questing). Life cycle includes larva, nymph, and adult stages.

Risks & Benefits

Primary vector for Lyme disease, anaplasmosis, and babesiosis. They provide no direct benefit to humans and are a significant public health concern. The 'bullseye' rash (erythema migrans) shown in the image is a characteristic sign of Lyme disease. If you see this rash, you should seek medical attention immediately.

Identified on: 6/2/2026