Pictured here is an adult blacklegged tick. Ticks can range in size from a poppy seed in the nymph stage to a pea when they are full of blood. Wood ticks are larger in size than the blacklegged ticks.
Rocky Mountain Spotted Fever/ Rickettsia (RMSF) Rocky Mountain Spotted Fever/Rickettsia (RMSF) is most often transmitted by the American dog tick in the Eastern, Central and Western United States; by ...