American dog tick (Dermacentor variabilis) questing.

Laboratory animal at the University of Illinois at Urbana-Champaign
American dog tick (Dermacentor variabilis) questing.

Laboratory animal at the University of Illinois at Urbana-Champaign
Dermacentor variabilis, the American dog tick.

Archbold Biological Station, Florida, USA
Dermacentor variabilis, the American dog tick.

Archbold Biological Station, Florida, USA
Dermacentor variabilis, the American dog tick.

Archbold Biological Station, Florida, USA
Dermacentor variabilis, the American dog tick.

Archbold Biological Station, Florida, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013