American Dog Tick
American Dog Tick
American Dog Tick (left: female, right: male)
Photo: Jeff Hahn
Size 1/6 inch long (unengorged adult female; males and immatures are smaller)
Where/When Found in open fields and underbrush of hardwood forests. Feeds on a variety of mammals, including white-footed mice, voles, chipmunks, raccoons, squirrels, dogs, cats, and people. Active from spring through fall.
Significance Can bite humans and animals. Is a nuisance because of its bites. Essentially not a disease carrier in Minnesota. In rare cases, it has been implicated in vectoring tularemia ('rabbit fever'), or Rocky Mountain spotted fever to humans.
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