Forest Pests: Insects, Diseases & Other Damage Agents

Introduction

Balsam Fir Insect and Mite Pests

•     Balsam gall midge
•     Balsam shootboring sawfly
•     Balsam twig aphid
•     Spider mites on conifers
•     Whitespotted sawyer

Cedar Insect Pests

•     Arborvitae leaf miner

Hemlock Insect Pests

•     Hemlock borer

Pine Insect Pests

•     Pine bark adelgid
•     Pine gall weevil
•     Pine leaf adelgid
•     Pine needle scale
•     White pine aphid
•     White pine weevil

Sawflies on pine

•     European pine sawfly
•     Introduced pine sawfly
•     Redheaded pine sawfly
•     White pine sawfly

Spruce Insect Pests

•     Gall adelgids (Cooley, Eastern, Ragged)
•     Yellowheaded spruce sawfly

Ash Insect and Mite Pests

•     Ash flower gall mite
•     Fall webworm

Beech Insect Pests

•     Oystershell scale

Birch Insect Pests

•     Birch lace bug
•     Birch leafminer
•     Birch skeletonizer
•     Bronze birch borer

Crabapple and Cherry Insect Pests

•     Cherry scallop shell moth
•     Eastern tent caterpillar
•     Japanese beetle

Honeylocust Insect Pests

•     Honeylocust plant bug
•     Honeylocust pod gall midge

Locust Insect Pests

•     Locust borer
•     Locust leafminer

Maple Insect and Mite Pests

•     European snout beetle
•     Forest tent caterpillar
•     Gall mites and midges (Bladdergall, Spindlegall, Erineum, Gouty vein midge)
•     Loopers (Linden looper, Bruce spanworm, Spiny looper, Fall cankerworm)
•     Maple leafcutter
•     Maple trumpet skeletonizer
•     Maple webworm
•     Pear thrips
•     Woolly alder aphid

Mountain Ash Insect Pests

•     Mountain ash sawfly

Oak Insect Pests

•     Gypsy moth
•     Oak skeletonizer
•     Oak twig pruner

Poplar Insect Pests

•     Satin moth