CountiesOxford, Franklin
Browntail mothAll 16 counties
Beech leaf diseaseAll 16 counties
Call(207) 303-7291
Tree Medics serves homeowners, businesses and municipalities in Western Maine, across Oxford and Franklin counties.
Tree health threats in Western Maine
Emerald ash borerIn April 2026, Maine expanded its emerald ash borer quarantine to more Franklin County towns, including Carrabassett Valley and Kingfield.[1]
Hemlock woolly adelgidParts of Oxford and Franklin counties are inside the state’s hemlock woolly adelgid quarantine.[2]
Beech leaf diseaseBeech leaf disease has now been found in all 16 Maine counties.[3]
Browntail mothThe Maine Forest Service has found browntail moth in all 16 counties.[4]
More on trees in Western Maine
Emerald ash borerIn March 2021 emerald ash borer beetles were reported in trees in Porter, in Oxford County.[5]
Emerald ash borerAn emerald ash borer infestation near Andover was first reported in March 2023.[6]
Emerald ash borerMaine added 44 towns to its list of confirmed emerald ash borer detections in 2025, and most of that year’s expansion occurred in Oxford County.[7]
Emerald ash borerWestern Maine towns among 16 first-time emerald ash borer detections announced in spring 2026 include Buckfield, Dixfield, Greenwood, Hartford, Rumford, Sumner, West Paris and Wilton.[8]
Beech leaf diseaseIn 2024 Franklin County was the only Maine county where beech leaf disease had not been found.[9]
How Tree Medics helps
Ash treesEmerald Ash Borer TreatmentTrunk injections, retreated every two to three years, to protect valuable ash trees.
HemlocksHemlock Woolly Adelgid TreatmentSystemic treatment that moves into the twigs and needles where adelgid feed.
Oaks & hardwoodsBrowntail Moth TreatmentWeb clipping, injection and targeted treatment for browntail moth.
DiagnosisTree Health AssessmentsHealth and risk assessments, property inspections and written reports.
Not sure if we cover your town?
Tree Medics is based in Biddeford. Call (207) 303-7291 or email SaveMyTrees@TreeMedics.com to talk about trees on your property in Western Maine.
Other Maine regions
Sources
- Maine DACF: Notice of EAB quarantine expansion (April 2026)
- Maine DACF: Hemlock woolly adelgid quarantine counties and towns
- Maine Forest Service: Forest & shade tree conditions, September 2026
- Maine CDC & Maine Forest Service: Browntail moth hairs pose risk during spring outdoor activities
- WGME: Invasive emerald ash borer found in several Maine towns (2021)
- Maine Forest Service: Forest & Shade Tree – Insect & Disease Conditions for Maine, October 9, 2024 (2024)
- Maine Public: Invasive emerald ash borer spreading rapidly across Maine (2025)
- Bangor Daily News: Quarantine area expands for emerald ash borer (2026)
- Maine Forest Service: Forest & Shade Tree – Insect & Disease Conditions for Maine, October 9, 2024 (2024)