Lone Star Tick

Scientific Name: Amblyomma americanum

Order & Family: Ixodida, Ixodidae

Size: 3mm to 4mm (unfed adults); can expand significantly when engorged.

Lone Star Tick

Natural Habitat

Wooded areas with thick undergrowth and long grass, often where deer are prevalent.

Diet & Feeding

Hematophagous; feeds on the blood of mammals (including humans and deer), birds, and some reptiles.

Behavior Patterns

An aggressive seeker that actively hunts hosts by crawling toward them rather than just waiting. They have a three-host life cycle (larva, nymph, adult).

Risks & Benefits

High risk to humans; can transmit diseases like Ehrlichiosis and Heartland virus. A bite may cause 'Alpha-gal syndrome,' a serious allergic reaction to red meat.

Identified on: 6/15/2026