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American Dog Tick
Nick Names: Dog tick, Wood tick
Common Names: American Dog tick
Formal Names: Dermacentor variabilis
Description: Looks like Rocky Mountain Wood tick (Dermacentor andersoni – DA), and Gulf Coast Tick (Amblyomma maculatum – AM). Mouthparts are shorter than AM.
Repellents: Permethrin clothing treatment kills ticks and deet-based skin repellent helps repel them.
Diseases: Rocky Mountain Spotted Fever, Tuleremia and may carry Human Granulocytic Ehrlichiosis.
Left to Right: female, male
Left to Right: unengorged female, 1/4 engorged, 1/2 engorged and fully engorged