Tick Identification in West Virginia

The ticks you are most likely to find in West Virginia, with photos and the size, color, and markings that tell them apart. Only the deer tick carries Lyme disease. Below the chart, see which types live in your county.

Female deer tick (blacklegged tick) on a green leaf, with a reddish-orange body, dark shield, and black legs, no white markings

Deer tick

Ixodes scapularis

Carries Lyme

Established in West Virginia

Size:
Small, a sesame seed (nymph: a poppy seed)
Look for:
Reddish-orange body, solid dark shield, black legs, no pattern
Carries:
Lyme, babesiosis, anaplasmosis, Powassan
Full deer tick guide →
Female American dog tick with an ornate off-white and brown mottled shield behind the head

American dog tick

Dermacentor variabilis

Established in West Virginia

Size:
Larger, an apple seed
Look for:
Brown with an ornate off-white mottled shield
Carries:
Rocky Mountain spotted fever, tularemia (rare)
Full american dog tick guide →
Female lone star tick on a green blade of grass, reddish-brown with a single bright white dot in the center of its back

Lone star tick

Amblyomma americanum

Established in West Virginia

Size:
Medium, rounded
Look for:
Reddish-brown; female has a single white dot on the back
Carries:
Ehrlichiosis, STARI, alpha-gal syndrome
Full lone star tick guide →
Female brown dog tick, uniform reddish-brown with no distinct markings

Brown dog tick

Rhipicephalus sanguineus

Found nationwide, the one tick that infests homes and kennels indoors

Size:
Medium, narrow body that tapers toward the head
Look for:
Uniform reddish-brown, no ornate markings
Carries:
Rocky Mountain spotted fever, canine diseases
Full brown dog tick guide →
Female Gulf Coast tick with an ornate silvery patterned shield

Gulf Coast tick

Amblyomma maculatum

A southern tick spreading north into the mid-Atlantic

Size:
Large, bigger than a lone star
Look for:
Silvery ornate markings on the shield, no single dot
Carries:
Rickettsia parkeri spotted fever
Full gulf coast tick guide →
Female Asian longhorned tick, small and uniform reddish-brown with no markings

Asian longhorned tick

Haemaphysalis longicornis

A newer arrival, established in the mid-Atlantic and spreading north

Size:
Small and plain, often found in large numbers
Look for:
Reddish-brown with no markings
Carries:
Mainly a livestock threat; human disease risk under study
Full asian longhorned tick guide →

West Virginia establishment is shown for the three ticks CDC tracks by county; the others carry a regional range note. Source: CDC tick surveillance (ArboNET Tick Module), 2025. County surveillance is coarse: “not established” is a lack of records, not proof a tick is absent.

Deer, dog and lone star ticks by West Virginia county

These are the three ticks CDC maps county by county, not the only ticks in West Virginia: the brown dog, Gulf Coast, and Asian longhorned ticks are in the chart above. Tap a county for its daily tick-risk detail.

CountyDeer tickAmerican dog tickLone star tickGulf Coast tick
Barbour CountyEstablishedReportedNot establishedReported
Berkeley CountyEstablishedEstablishedReportedReported
Boone CountyEstablishedEstablishedEstablishedReported
Braxton CountyEstablishedReportedReportedReported
Brooke CountyEstablishedReportedReportedReported
Cabell CountyEstablishedEstablishedEstablishedReported
Calhoun CountyEstablishedReportedNot establishedReported
Clay CountyReportedEstablishedNot establishedReported
Doddridge CountyEstablishedEstablishedNot establishedReported
Fayette CountyEstablishedEstablishedNot establishedReported
Gilmer CountyEstablishedEstablishedNot establishedReported
Grant CountyEstablishedEstablishedEstablishedReported
Greenbrier CountyEstablishedEstablishedReportedReported
Hampshire CountyEstablishedEstablishedEstablishedReported
Hancock CountyEstablishedReportedNot establishedReported
Hardy CountyEstablishedEstablishedReportedReported
Harrison CountyEstablishedEstablishedNot establishedReported
Jackson CountyEstablishedEstablishedEstablishedReported
Jefferson CountyEstablishedEstablishedReportedReported
Kanawha CountyEstablishedEstablishedEstablishedReported
Lewis CountyEstablishedEstablishedNot establishedReported
Lincoln CountyReportedEstablishedEstablishedReported
Logan CountyEstablishedEstablishedEstablishedReported
Marion CountyEstablishedEstablishedNot establishedReported
Marshall CountyEstablishedEstablishedNot establishedReported
Mason CountyReportedEstablishedEstablishedReported
McDowell CountyNot establishedEstablishedNot establishedReported
Mercer CountyEstablishedEstablishedNot establishedReported
Mineral CountyEstablishedEstablishedNot establishedReported
Mingo CountyEstablishedEstablishedEstablishedReported
Monongalia CountyEstablishedEstablishedReportedReported
Monroe CountyEstablishedEstablishedReportedReported
Morgan CountyEstablishedReportedReportedReported
Nicholas CountyEstablishedEstablishedReportedReported
Ohio CountyEstablishedEstablishedNot establishedReported
Pendleton CountyNot establishedReportedReportedReported
Pleasants CountyEstablishedReportedNot establishedReported
Pocahontas CountyEstablishedReportedNot establishedReported
Preston CountyEstablishedEstablishedNot establishedReported
Putnam CountyEstablishedEstablishedEstablishedReported
Raleigh CountyEstablishedReportedNot establishedReported
Randolph CountyEstablishedReportedNot establishedReported
Ritchie CountyEstablishedEstablishedNot establishedReported
Roane CountyEstablishedEstablishedNot establishedReported
Summers CountyEstablishedEstablishedNot establishedReported
Taylor CountyEstablishedReportedNot establishedReported
Tucker CountyEstablishedNot establishedReportedReported
Tyler CountyEstablishedEstablishedReportedReported
Upshur CountyEstablishedEstablishedReportedReported
Wayne CountyReportedReportedEstablishedReported
Webster CountyEstablishedReportedNot establishedReported
Wetzel CountyEstablishedEstablishedNot establishedReported
Wirt CountyEstablishedNot establishedNot establishedReported
Wood CountyEstablishedEstablishedEstablishedReported
Wyoming CountyNot establishedReportedNot establishedReported

Lone star ticks and alpha-gal syndrome

The lone star tick is established in West Virginia, including Boone County, Cabell County, Grant County, Hampshire County, Jackson County, Kanawha County, Lincoln County, Logan County, Mason County, Mingo County, Putnam County, Wayne County, Wood County. Its bite can cause alpha-gal syndrome, an allergy to red meat.

Do not overlook the tiny ones

Nymph deer ticks are the size of a poppy seed and cause most Lyme cases in West Virginia because they are so easy to miss. When you check for ticks, look for the small ones too, especially in June and July.

Frequently asked questions

What types of ticks live in West Virginia?
West Virginia has the deer tick (blacklegged tick), which carries Lyme disease and is established across the state; the American dog tick, which is established; and the lone star tick, which is established and causes alpha-gal syndrome. County-level presence is shown in the table above.
Which West Virginia tick carries Lyme disease?
The deer tick, also called the blacklegged tick, is the tick that spreads Lyme disease in West Virginia. The American dog tick and lone star tick do not carry Lyme, though they can transmit other illnesses.
Are there lone star ticks in West Virginia?
Yes. The lone star tick is established in West Virginia, including Boone County, Cabell County, Grant County, Hampshire County, Jackson County, Kanawha County, Lincoln County, Logan County, Mason County, Mingo County, Putnam County, Wayne County, Wood County. It causes alpha-gal syndrome, a red-meat allergy.
How can I tell these ticks apart?
Use size, color, and legs. The deer tick is small with a reddish-orange body, a solid dark shield, and black legs. The American dog tick is larger and brown with an ornate off-white mottled shield. The female lone star tick has a single white dot on her back. The chart above shows each one.