LoneStarMapMassachusetts • Emerging
Lone Star Ticks in Massachusetts: Map, Season, Alpha-Gal Awareness & Prevention
Lone Star ticks are reported and expanding in parts of Massachusetts, especially coastal areas and the islands.
Last reviewed: June 2, 2026 · Educational only — not medical advice.
Risk snapshot
Massachusetts
Lone Star ticks are reported and expanding in parts of Massachusetts, especially coastal areas and the islands.
Peak season
May – September
Common habitats
Who should be extra aware
Are Lone Star ticks found in Massachusetts?
Massachusetts is within or near the broader Lone Star tick range, with reports in parts of the state. Awareness levels vary by county, and activity is typically highest during may – september. Massachusetts is near the expanding northeastern edge, with notable coastal/island presence. Awareness is growing; follow prevention in dunes, brush, and woods.
When is tick season in Massachusetts?
Peak Lone Star tick activity in Massachusetts is typically May – September. Plan extra prevention during these months — repellent, permethrin-treated clothing, and daily tick checks for kids and pets. In warmer regions, ticks can be active longer.
Can tick bites in Massachusetts be linked to alpha-gal syndrome?
A Lone Star tick bite has been associated with alpha-gal syndrome — a delayed allergy to mammalian meat — in some individuals. Not every bite causes it, and only a licensed clinician can diagnose it. Learn the symptoms or read the alpha-gal guide.
What to do if you find a tick after being outside in Massachusetts
Remove the tick with fine-tipped tweezers, clean the area, save a photo, and note the date and location. Watch for symptoms over the following weeks and contact a licensed medical professional if a rash, fever, fatigue, or food reaction develops.
Prevention checklist for Massachusetts
- Use EPA-registered repellent (DEET, picaridin, or oil of lemon eucalyptus)
- Treat clothing and gear with permethrin
- Wear long sleeves and tuck pants into socks in brushy areas
- Stay on cleared trails and avoid tall grass and leaf litter
- Shower within two hours of coming indoors
- Do daily tick checks on people and pets during the season
Join the tick-awareness early list
We're building optional seasonal reminders for Massachusetts. Join the list and we'll email you when they launch.
Sources & local resources for Massachusetts
- Where Ticks LiveCDC
The Lone Star tick is widely distributed in the Northeast, South, and Midwest U.S.
- Lone Star Tick SurveillanceCDC
County-level established vs. reported records. 'Established' = 6+ ticks or multiple life stages collected in 12 months.
- Alpha-gal SyndromeCDC
What alpha-gal syndrome is, symptoms, and its association with tick bites.
- Current and Future Distribution of the Lone Star Tick in North AmericaRaghavan et al., PLOS ONE (2019)
Ecological niche modeling of Amblyomma americanum range and projected northward expansion.
- Find the Repellent That Is Right for YouEPA
Search tool for EPA-registered repellents (DEET, picaridin, oil of lemon eucalyptus).
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Lone Star tick awareness in Massachusetts
Peak season: May – September
Massachusetts tick & alpha-gal FAQ
The questions Massachusetts residents search for most.
Are Lone Star ticks in Massachusetts?+
Yes — Massachusetts is within or near the broader Lone Star tick range. Reports vary by county, and activity is generally highest during may – september.
When is tick season in Massachusetts?+
Peak Lone Star tick activity in Massachusetts is typically May – September. In warmer parts of the state, ticks can be active longer into the year.
Can I get alpha-gal syndrome from a tick bite in Massachusetts?+
Alpha-gal syndrome has been associated with Lone Star tick bites in regions of Massachusetts. Not every bite causes AGS. If you develop hives, swelling, stomach pain, or other reactions 2–6 hours after eating mammalian meat, talk to a licensed medical professional.
How do I report or identify a tick I found in Massachusetts?+
Save the tick in a sealed bag with a moist paper towel, take a clear photo, and contact your state health department or a university extension program. Some accept ticks for identification or testing.
What should I do after a tick bite in Massachusetts?+
Remove the tick with fine-tipped tweezers, clean the area, save a photo, and note the date and location. Watch for symptoms over the following weeks and contact a medical professional if a rash, fever, fatigue, or food reaction develops.
Related nearby states
Lone Star tick range, peak season, and awareness vary across the U.S.
See all 51 state pages →