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American Dog Tick
Dermacentor variabilis

Identification Features
Largest tick in NJ; oblong shape; solid brown with mottled white dorsal shield; has festoons.
Diseases Transmitted (Humans)
Rocky Mountain Spotted Fever, Tularemia.
Active Seasons
Adults: April to early September; Nymphs: June to early September; Larvae: late March through July.
Diseases Transmitted (Pets)
Rocky Mountain Spotted Fever (dogs), Ehrlichiosis (dogs), Tularemia (cats/dogs), Tick Paralysis (dogs).
Primary Hosts
Small mammals/rodents (larvae/nymphs), dogs and larger mammals (adults), humans.
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