Dept of Conservation logoDEPARTMENT OF CONSERVATION
Maine Forest Service
Forest Health & Monitoring Division


Insect and Disease Fact Sheets

Insects

Aphids
Asian Longhorned Beetle
Balsam Gall Midge
Balsam Shootboring Sawfly
Balsam Twig Aphid

Balsam Woolly Adelgid
Barklice-Psocids
Birch Casebearer
Birch Leafminers
Bruce Spanworm
Brown Spruce Longhorn Beetle
Browntail Moth
-- Precautions in Handling
-- Identifying Winter Nests
Carpenter Ants
Clover Mites
Cooley Spruce Gall Adelgid
Eastern Spruce Gall Adelgid
European Woodwasp
Elm Leaf Beetle
Emerald Ash Borer
European Pine Shoot Moth
Fall Cankerworm
Fall Webworm
Gall Mites of Decidious Shade Trees
Gypsy Moth
Hemlock Looper
Hemlock Woolly Adelgid
Insects from Firewood
Introduced Pine Sawfly
Maple Bladder Gall Mite
Mosquito
--Mosquitoes of Maine Table
Mountain Ash Sawfly
Oak Leaf Tier
Oak Twig Pruner
Orangehumped Mapleworm
Pales Weevil
Pine Leaf Adelgid
Pine Spittlebug
Saddled Prominent
Saratoga Splittlebug
Satin Moth
Saw-Toothed Grain Beetles
Sirex Woodwasp
Spider Mites
Spruce Beetle
Spruce Budworm
Springtails and Snowfleas
Tent Caterpillars
Ticks (Maine Medical Center website link)
Variable Oakleaf Caterpillar
White Pine Weevil
-- Summary Sheet
-- Pruning to Manage White Pine Weevil
----Printable Pruning to Manage White Pine Weevil (723 KB)
-- Spray Baffle For Control of White Pine Weevil with a Garden Sprayer
Willow Flea Weevil, and Imported Willow Leaf Bug
Yellowheaded Spruce Sawfly

Diseases and Injury

Ash Leaf and Twig Rust
Declining Spruce Health
Eastern Dwarf Mistletoe

Ice Storm Tips 2008
Sudden Oak Death
White Pine Blister Rust
Winter Drying

Other

Fertilizing Urban Trees