Pest Management Unit

Important Notice:

Due to the public health concern caused by the COVID-19 virus, all University of Maine offices and facilities are closed to the public. Extension personnel are working remotely. We have adjusted diagnostic services until further notice. We appreciate your understanding and patience during this uncertain time.

Walk-in and mail-in samples will no longer be accepted for any diagnostic service until further notice.  However, you can still call us, email us, and send images.

  • Insect ID samples (not including ticks) that were received by Wednesday, March 18 will be processed when services resume (providing the sample has not decomposed).
  • Plant samples received after Wednesday, March 18 will likely need to be resubmitted when services resume.
  • Plant and insect digital samples: The Plant Disease Diagnostic Lab and the Insect ID Lab are accepting digital samples sent by email. Submissions must include your name, phone number, business name, county, host plant, problem, date when symptoms were noted and good, in-focus images.

You can reach Alicyn Smart from the Plant Disease Diagnostic Lab by email at or by phone (207.581.3883) and Clay Kirby from the Insect ID Lab by email at or by phone (207.581.2963).

Insect ID Lab

  • Insect identification
  • Insect injury identification
  • Expert management recommendations

Tick Lab

  • Tick identification and disease testing
  • Public outreach on tick management, personal protection, and tick-borne disease prevention
  • Monitoring of Maine’s tick populations and geographic range

Plant Disease Diagnostic Lab

  • Plant pathogen (fungal, bacterial, viral, etc.) identification and expert management recommendations
  • Use of DNA analysis to identify pathogens, offering a new level of specificity of pathogen identification, down to the level of species or strain
  • Ability to be certified for testing plant samples by USDA-APHIS

Programs in Integrated Pest Management and Pesticide Safety Education

  • Farmer training and consultation for crop-specific management of pests
  • Guidance and resources for all Mainers with pest problems or questions
  • Guidance and resources about pesticide safety


Currently closed (see notice above) – Otherwise: 8:00 a.m. – 4:30 p.m., Monday-Friday (closed holidays)