Asian Longhorned Tick Is Invading United States

Americans have unwelcome eight-legged visitors from the East, and they're here to stay.

The Asian longhorned tick -- Haemaphysalis longicornis -- "is a tick indigenous to Asia, where it is an important vector of human and animal disease agents," warned a research team from the U.S. Centers for Disease Control and Prevention.

The tick species has already turned up in Arkansas, Connecticut, Maryland, New Jersey, New York, North Carolina, Pennsylvania, Virginia and West Virginia, where it's been found on domestic animals and wildlife, and at least two people, the researchers said.

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