Irvine Park, Orange, Orange County, CA. 6-6-06. © Ron Hemberger

American Dog Tick

Dermacentor variabilis

Acari: Ixodidae

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Size: ~3mm bl. Dorsal; pale color perhaps because it is freshly molted. Found on the head of a human hiker. Aliso and Wood Canyons Wilderness Park , Orange County, CA. 3/17/09. © Peter J. Bryant

Size: ~3mm bl. Dorsal; pale color perhaps because it is freshly molted. Found on the head of a human hiker. Aliso and Wood Canyons Wilderness Park , Orange County, CA. 3/17/09. © Peter J. Bryant