Common Pests of New Hampshire's Trees and Forests

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Pest Name: Balsam Woolly Adelgid
Scientific Name: Adelges piceae
Fact Sheet(s): Forest Insect & Disease Leaflet
Pest Name: Cooley Spruce Gall Adelgid
Scientific Name: Adelges cooleyi
Fact Sheet(s): UNH Cooperative Extension Factsheet
Pest Name: Eastern Spruce Gall Adelgid
Scientific Name: Aldelges abietis
Fact Sheet(s): UNH Cooperative Extension Factsheet
Pest Name: Hemlock Looper
Scientific Name: Lambdina fiscellaria
Fact Sheet(s): USDA Forest Service Pest Alert
Pest Name: Hemlock Woolly Adelgid
Scientific Name: Adelges tsugae
Fact Sheet(s): USDA Forest Service Pest Alert
NHBugs.org
Pest Name: Rhizosphera Needle Disease of Fir
Scientific Name: Rhizosphaera pini
Fact Sheet(s): USDA Forest Service Pest Alert
Pest Name: Spruce Budworm
Scientific Name: Choristoneura fumiferana
Fact Sheet(s): Forest Insect & Disease Leaflet
Pest Name: Spruce Spider Mites
Scientific Name: Oligonychus ununguis
Fact Sheet(s): UNH Cooperative Extension Factsheet
Pest Name: White Pine Weevil
Scientific Name: Pissodes strobi
Fact Sheet(s): UNH Cooperative Extension Factsheet
Forest Insect & Disease Leaflet
Pest Name: Elongate Hemlock Scale
Scientific Name: Fiorinia externa
Fact Sheet(s): USDA Forest Service Pest Alert
Pest Name: Non Infectious Diseases
Scientific Name:
Fact Sheet(s): USDA Forest Service How To