Initial symptoms usually begin 3 to 30 days after a person is bitten by an infected deer tick and may include an expanding rash at the site of the bite and/or flu-like symptoms. Deer ticks need to be attached from 24-48 hours to transmit this disease. Lyme disease is caused by bacteria ( Borrelia burgdorferi). This is the primary vector for Powassan virus (POW). Very similar in size and appearance to deer ticks. Can be found throughout the summer months with peak activity during July. Woodchuck ticks ( Ixodes cookei): Mostly found on woodchucks and rarely bites humans. Southern Tick Associated Rash Illness (STARI) is commonly transmitted by this species in the southern states and this illness has been found as far north as New York state. Lone star ticks are known to transmit Rocky Mountain spotted fever, tularemia, and ehrlichiosis. These ticks are a little smaller than American dog ticks. Active when temperatures are over 50☏ with peak activity from May to August. Lone star ticks ( Amblyomma americanum): All stages can bite humans. American dog ticks are also known as wood ticks. Primary vector for Rocky Mountain spotted fever and capable of spreading tularemia. Adult dog ticks are about the size of a watermelon seed. The highest risk of being bitten by a dog tick occurs during the spring and summer seasons. Found throughout Massachusetts.Īmerican dog ticks ( Dermacentor variabilis): In general, only the adult dog tickwill bite humans. Deer ticks are also known as black-legged ticks. Primary vector for Lyme disease, babesiosis, anaplasmosis, and deer tick virus. ![]() Deer tick nymphs are the size of a poppy seed and deer tick adults are the size of a sesame seed. However, adults can also be out searching for a host any time winter temperatures are above freezing. The highest risk of being bitten by a deer tick is from May through July. Most cases of lyme disease are contracted when deer ticks are in the nymphal stage because they are difficult to detect due to their small size. Photo credit: URI TickEncounter Resource Centerĭeer ticks ( Ixodes scapularis): Both nymph (young) and adult deer ticks will bite humans. They attach to animals or people that come into direct contact with them. ![]() Ticks are generally found in unkempt grassy, brushy, or wooded areas. Deer ticks and dog ticks are found throughout Massachusetts and may spread different disease-causing germs when they bite you. Ticks are bugs that feed on the blood of mammals, birds, and reptiles.
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