Maine Forest Service Insect and Disease Laboratory--Contact Us

INSECT AND DISEASE LABORATORY: Staff provides forest and shade-tree related insect and disease diagnosis and advice. The laboratory houses an extensive insect collection and a technical reference library. A stock of information sheets and brochures is available on many of the more common insect and disease problems (some available on-line).

For questions regarding tree pests(insects and diseases), forest health and forestry-related quarantines in Maine please contact us:

If you have questions about other forest and shade-tree related topics, please contact the Maine Forest Service Headquarters at
(207) 287-2791 or toll free in Maine: 1-800-367-0223
, 22 State House Station, 18 Elkins Lane, Augusta, ME 04333

Phone: (207) 287-2431
Toll Free (in-state): 1-800-367-0223 (ask for Insect and Disease Lab)
Fax: (207) 287-2432

Mailing Address:

MFS Insect and Disease Lab
168 State House Station
Augusta, ME 04333-0168

Physical Address:

MFS Insect and Disease Lab
50 Hospital Street
Augusta, ME 04330

You may submit a sample of insects and diseases that are affecting your trees along with a description of the damage by mail or in person. Please use our on-line reporting form or one of our printable forms when you submit a sample.

Charlene Donahue, Forest Entomologist
Allison Kanoti, Forest Entomologist
Bill Ostrofsky, Forest Pathologist
Colleen Teerling, Forest Entomologist

Hours: Mon-Fri 7:30-4:30 (Call ahead, we are often in the field)


Google Map Link:

  • From the Cony Roundabout (circle on the east side of the river): Follow Stone Street (Route 9 south) to Hospital Street (Route 9 south), go straight (right lane) at the light for Eastern Ave. (Route 17). You will pass the State Police and a small fire station on your right. The office is the second driveway on the right after the fire station, it is in a light-green residential-style building--entrance at the top of the hill.
  • From the south: The office is the first driveway on the left after the traffic light for the Augusta Mental Health Institute (AMHI) campus.


Dave Struble
22 State House Station
Augusta, ME 04333-0022

Phone: (207) 287-4981
Toll Free (in-state): 1-800-367-0223
Fax: (207) 287-8422