This tick is about 1/8 inch long and is dark brown. It has a single white spot in the center of the back, or with several white spots at the posterior margin of the back.

(Amblyomma americanium) The immature and adult stages of this tick are external parasites of small and large animals. The three immature stages require a blood meal from a different host in order to develop to the adult stage and to lay eggs. This tick can transmit Rocky Mtn. Spotted fever.