Dorsal view of an engorged female lone star tick Amblyomma americanum. An Ixodes or hard tick, A. americanum is found through the southeast and south-central states, and has been shown to transmit the spirochete, Borrelia lonestari, the pathogen responsible for causing a Lyme disease-like rash known as Southern tick-associated rash illness (STARI). Representatives from all three of its life stages aggressively bite people in the southern U.S. Research indicates that live spirochetes are observed in only 1-3 percent of specimens. Note a number of round, amber-colored eggs showing from beneath the head region, which were just laid by this female.
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