Which ticks will you actually find on a Maine property?
Three species account for nearly every bite in Maine, and the blacklegged tick drives the numbers. Adults are reddish-brown with a dark shield, roughly sesame seed sized, and the nymph is smaller than a poppy seed. It waits in leaf litter and low vegetation in shade, and it carries Lyme, anaplasmosis, and babesiosis. The American dog tick is noticeably larger with a mottled gray-white pattern on the back. It hunts in sunny grass along paths, driveways, and old fields, peaks in late spring, and does not spread Lyme. It is the tick most often found crawling on clothing because it is big enough to see. The lone star tick has moved into coastal Maine. The adult female wears a single pale spot, she actively walks toward a host, and she is linked to ehrlichiosis and to alpha-gal, the delayed allergic reaction to red meat. Knowing which one bit you changes what you watch for. If you save the tick in a sealed bag, your doctor has something concrete to work from instead of a description.
A month-by-month tick calendar for this climate
March and April: as snow leaves and the ground thaws, adult blacklegged ticks that survived winter resume hunting. This is when to schedule the first yard visit and finish raking the edge. May through July: the dangerous stretch. The CDC puts nymphal blacklegged tick activity at April through July, and these are the ticks that cause most Lyme cases because they are nearly invisible. American dog ticks peak alongside them in sunny grass. Daily checks are non-negotiable in these months. August and September: nymph activity fades, larvae hatch, and pressure drops somewhat. Good time for brush cutting and moving the woodpile. October and November: adult blacklegged ticks surge for a second season. With a median summer high of only 79 degrees, Maine never gets the heat-driven summer shutdown that southern states do, so the year is one long gradient rather than a single spike. December through February: mostly quiet under snow, with activity on any thawed day. Keep pets on preventives straight through.
What does the first yard visit look like?
It starts with a walk, not a sprayer. The person should trace where your mowed grass meets anything unmowed, note stone walls, brush piles, ornamental beds along the shade, the dog's regular resting spot, and any deer trail crossing the back line. On a typical half-acre lot outside Portland or Bangor that walk takes fifteen or twenty minutes. The application follows those margins. Expect a targeted product along the woods line, into the first several feet of understory, around walls and foundation plantings, and around the dog run. The open lawn usually gets skipped, which is correct rather than a shortcut. Before they start, point out the well, the vegetable garden, any beehives, and the water body if you have one. Ask what product goes down, how long to keep kids and pets off, and whether the October visit is included in the price or billed separately. Also ask whether leaf and brush removal is their work or yours, because that answer changes the total more than anything else.
Why the surveillance numbers jumped and what that means for you
If you have seen headlines about Lyme cases exploding, here is the calmer version. The CDC changed how cases are counted in 2022. High-incidence jurisdictions were allowed to report on laboratory evidence alone, without additional clinical detail, which mechanically raised the counts in the states that already had the most disease. In this state the 2022 total was 2,653 against a 2017 to 2019 average of 1,807. That is a real increase in reported cases and largely a change in reporting, not proof that the woods behind your house got three times more dangerous in one summer. The CDC says the same thing about the national picture. The practical takeaway is to compare states within a single year rather than tracking one state across the rule change. And remember that reported cases are the floor. The CDC estimates roughly 476,000 people are diagnosed and treated for Lyme annually nationwide, far more than surveillance captures, which means your yard risk is not defined by a case count either way.
Prevention for wooded lots and camps
The typical Maine property has mowed grass, then a ragged transition, then trees. That transition strip is where nearly all the ticks are, and it is the cheapest thing to fix. Widen the mowed band by ten feet if you can. Rake the leaves out of the first several feet of woods and haul them off rather than blowing them back under the trees. Put down wood chips or gravel three feet wide as a visible border. ticks cross dry open ground poorly and a strip like that measurably cuts how many reach the lawn. Move the things that hold mice. Woodpiles stacked against the house, old lumber, brush piles, and the loose stone walls that come with older land all shelter the rodents that feed young blacklegged ticks. Get the wood up on a rack and away from the foundation. At a camp, focus on the path to the water and around the outhouse or shed. Those narrow shaded corridors get walked constantly and almost never get cleared.