CountyCumberland County
RegionSouthern Maine
EAB quarantineEntire county
Hemlock woolly adelgidEstablished
Tree Medics protects trees for homeowners, businesses and municipalities in Scarborough and across Cumberland County. We diagnose tree problems and treat the insects and diseases threatening Southern Maine’s trees, from emerald ash borer to browntail moth.
What’s threatening trees in Scarborough
Emerald ash borerAll of Cumberland County is inside Maine’s emerald ash borer quarantine.[1] In 2026, ash dieback and mortality were reported throughout southern Maine.[2]
Hemlock woolly adelgidAs of December 2024, the Maine Forest Service lists it as established in Scarborough.[3]
Browntail mothFound in all 16 Maine counties, and its toxic hairs stay in the environment for up to three years.[4] In 2026, Maine CDC reported higher browntail moth populations in parts of Cumberland County, along with parts of Androscoggin, Hancock and Oxford counties, even as populations statewide have been steadily decreasing over the past couple of years.[5] The Maine Forest Service’s 2026 aerial survey found localized defoliation mainly along the western shores of Sebago Lake.[2]
Beech leaf diseaseNow found in all 16 Maine counties.[6]
About Scarborough’s trees
Local landscapeScarborough is a Cumberland County town with a 2020 Census population of 22,135 and a land area of about 47.8 square miles.[7]
Community treesScarborough’s Tree Care Advisory Board advises the Town Arborist and helps prepare the town’s annual application to renew its Tree City USA designation.[8]
Community treesScarborough’s Tree Care Ordinance regulates the planting, maintenance and removal of trees, shrubs and other plants on town-owned property and public rights-of-way.[9]
Emerald ash borerIn 2024 the Maine Forest Service treated 12 ash trees at three southern Maine ash-preservation sites, one of them in Scarborough.[10]
Local landscapeScarborough Marsh, which extends into Scarborough, Cape Elizabeth and Old Orchard Beach, is the largest contiguous salt marsh system in Maine, and about 2,965 acres of it are owned and managed by the Maine Department of Inland Fisheries and Wildlife.[11]
Tree care services in Scarborough
Emerald Ash Borer
Trunk injections that protect ash trees from emerald ash borer.
Emerald Ash Borer in Scarborough
Hemlock Woolly Adelgid
Systemic treatment to keep hemlocks healthy.
Hemlock Woolly Adelgid in Scarborough
Browntail Moth
Web clipping, injection and treatment for browntail moth.
Browntail Moth in Scarborough
Tree Health Assessments
Find out what’s wrong with a tree and what to do about it.
About tree health assessmentsBrowntail moth season starts in your trees right now.
From October to March, young browntail moth caterpillars overwinter in silk webs at the tips of branches. The Maine Forest Service recommends clipping and destroying webs within reach between mid-December and early April.[12] Browntail moth help in Scarborough.
A year of tree care in Scarborough
- WinterClip browntail moth webs, assess trees while branches are bare, and plan spring treatments.
- SpringTrunk injections for ash trees after leaf-out, and browntail moth treatment before caterpillars feed.
- SummerWatch for thinning crowns on ash and early leaf drop. Check beech leaves for dark bands between the veins.
- FallLook for white woolly masses on hemlock twigs, and spot new browntail webs once leaves drop.
Nearby towns we serve
Sources
- Maine Forest Service: EAB found in seven more Maine towns, with York and Cumberland counties under quarantine (2020)
- Maine Forest Service: Forest & shade tree conditions, August 2026
- Maine Forest Service: Hemlock woolly adelgid overview and distribution
- Maine CDC & Maine Forest Service: Browntail moth hairs pose risk during spring outdoor activities
- Maine CDC Health Advisory: Browntail moth (May 2026)
- Maine Forest Service: Forest & shade tree conditions, September 2026
- U.S. Census Bureau: QuickFacts, Scarborough town, Cumberland County, Maine (2020 Census)
- Town of Scarborough: Tree Care Advisory Board (2026)
- Town of Scarborough: Tree Care Advisory Board (2026)
- Maine Forest Service: Forest & Shade Tree – Insect & Disease Conditions for Maine, October 9, 2024 (2024)
- Maine Natural Areas Program: Scarborough Marsh Focus Area of Statewide Ecological Significance
- Maine Forest Service: Browntail moth management overview