Tick ID

Tick Identification Chart Original image by Litwak for CDC; modified by D.N. Gaines for VDH. Blacklegged Tick Ixodes s...

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Tick Identification Chart

Original image by Litwak for CDC; modified by D.N. Gaines for VDH.

Blacklegged Tick Ixodes scapularis

Vector

Lone Star Tick

Vector

Tu lar em ia

Vector

Vector

Amblyomma americanum

Vector

American Dog Tick Dermacentor variabilis

Tick Stage that Transmits the Most Disease to People

Nymph

Adult

Nymph

Nymph

Minimum Feeding Time for Disease Transmission

24 hours

24 hours

36 hours

36 hours

For more information on tick-borne diseases, visit www.vdh.virginia.gov/TickBrochure.

June 2010

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Tick-borne Disease Chart

Vector

Vector

Adult Only

Nymph or Adult

4-6 hours

Not known