Forest Insect & Disease Conditions Reports

This seasonal newsletter provides timely information about insects and diseases affecting Maine's forest and shade trees. Several issues are produced each growing season with the first issue usually appearing in mid- to late-April and the last in late- summer.

Mailing List Subscription Form

SUBSCRIBE ONLINE using the sign up box in the right column of this page will subscribe you to our electronic mailing list and you will receive the Conditions Reports in your email inbox. You will also receive Special Alerts and a copy of the Annual Summary Report electronically.

If you wish to receive hard copies of these reports complete this form (Word | 18 KB) and mail it to: Insect & Disease Laboratory, 168 Statehouse Station, Augusta, Maine 04333-0168

Some of the files below are PDF files which require the free Adobe Reader.

Forest Health Highlights

Annual Summary Reports

Forest & Shade Tree Insect & Disease Conditions for Maine: Summary 2022 10.1 MB Dated:April, 2023


Forest & Shade Tree Insect & Disease Conditions for Maine: Summary 2021 5.2 MB Dated:June, 2022


Forest & Shade Tree Insect & Disease Conditions for Maine: Summary 2020 6.1 MB Dated:September, 2021
Forest & Shade Tree Insect & Disease Conditions for Maine: Summary 2019 7.6 MB Dated:August, 2020

Conditions Reports

2023 Conditions Reports

2022 Conditions Reports


2021 Conditions Reports


2020 Conditions Reports


2019 Conditions Reports


2018 Conditions Reports


2017 Conditions Reports


2016 Conditions Reports


2015 Conditions Reports


2014 Conditions Reports