Warning This Web page has been archived on the Web.

Archived Content

Information identified as archived on the Web is for reference, research or recordkeeping purposes. It has not been altered or updated after the date of archiving. Web pages that are archived on the Web are not subject to the Government of Canada Web Standards. As per the Communications Policy of the Government of Canada, you can request alternate formats on the Contact Us page.

Select Disease or Pest By Common Name

Common Name

Scientific Name


Adelges spp.


Pineus spp.

Ambrosia Beetles

Trypodendron lineatum

Ambrosia Beetles

Gnathotrichus sulcatus

Annosus Root Rot and Butt Rot

Heterobasidion annosum

Armillaria Root Disease

Armillaria ostoyae

Aspen Trunk Rot

Phellinus tremulae

Atropellis Canker

Atropellis piniphila

Balsam Twig Aphid

Mindarus abietinus

Balsam Woolly Adelgid

Adelges piceae

Black Mildew

Epipolaeum abietis

Black Stain Root Disease

Leptographium wageneri

Black Stain Root Disease

Verticicladiella spp.

Botryosphaeria Canker of Spruce

Botryosphaeria piceae

Boxelder Bug

Leptocorus trivittatus

Brown Crumbly Rot

Fomitopsis pinicola

Brown Felt Blight

Herpotrichia juniperi

Brown Stringy Trunk Rot

Echinodontium tinctorium


Choristoneura spp.

Camarosporium Blight of True Fir

Camarosporium strobilinum

Canker Diseases of Spruce

Leucostoma kunzei

Coastal Spruce Cone Rusts

Chrysomyxa monesis

Common Needle Diseases of Spruce

Lophodermium piceae

Cooley Spruce Gall Adelgid

Adelges cooleyi

Corky Root Disease

Xiphinema bakeri

Cypress Leaf Tier

Epinotia subviridis

Cypress Tip Moth

Argyresthia cupressella

Davisomycella Needle Blight

Davisomycella ampla

Delphinella Needle Blight of True Firs

Delphinella spp.

Discocaninia Canker

Discocainia treleasei

Douglas Fir Needle Blight

Rhabdocline pseudotsugae

Douglas-fir Beetle

Dendroctonus pseudotsuga

Douglas-fir Tussock Moth

Orgyia pseudotsuga

Dwarf Mistletoes

Arceuthobium spp.

Elytroderma Needle Cast

Elytroderma deformans

Engraver Beetles

Scolytus spp.

European Pine Shoot Moth

Rhyacionia buoliana

Fall Webworm

Hyphantria cunea

Fir Broom Rust

Melampsorella caryophyllacearum

Fir Needle Blights

Lophodermium spp.

Fir Needle Rusts

Uredinopsis spp.

Forest Tent Caterpillar

Malacosoma disstria

Fusarium Root Rot

Fusarium oxysporum

Golden Buprestid

Buprestis aurulenta

Gray Spruce Looper

Caripeta divisata

Green-striped Forest Looper

Melanolophia imitata

Gypsy Moth

Lymantria dispar

Inland Spruce Cone Rusts

Chrysomyxa pirolata

Isthmiella Needle Blight

Isthmiella spp.

Isthmiella Needle Blight of Spruce

Isthmiella crepidiformis

Juniper Scale

Carulaspis juniperi

Juniper Webworm

Dichomeris marginella

Larch Casebearer

Coleophora laricella

Larch Needle Blight

Hypodermella laricis

Larch Needle Cast

Meria laricis

Larch Sawfly

Pristiphora erichsonii

Leptomelanconium Needle Blight of Pine

Leptomelanconium pinicola

Lirula Needle Blight

Lirula macrospora

Lodgepole Terminal Weevil

Pissodes terminalis

Lophodermium Needle Cast

Lophodermium pinastri

Melampsora Foliage Rusts

Melampsora spp.

Mountain Pine Beetle

Dendroctonus ponderosa

Northern Pitch Twig Moth

Petrova albicapitana

Northern Tent Caterpillar

Malacosoma californicum

Phellinus (Poria) weirii Root Rot

Phellinus weirii

Phomopsis Canker of Douglas Fir

Diaporthe lokoyae

Pine Needle Cast

Lophodermella montivaga

Poplar Shoot Blights

Venturia spp.

Poplar-and-Willow Borer

Cryptorhynchus lapathi

Red Band Needle Blight

Scirrhia pini

Red Heart Rot

Stereum sanguinolentum

Red Ring Rot

Phellinus pini

Redwood Bark Beetle

Phloeosinus sequoiae

Rhizina Root Rot

Rhizina undulata

Satin Moth

Leucoma salicis

Sequoia Pitch Moth

Synanthedon sequoiae

Silver-spotted Tiger Moth

Lophocampa argentata

Snow Blight

Phacidium abietis

Spruce Aphid

Elatobium abietinum

Spruce Beetle

Dendroctonus rufipennis

Spruce Broom Rusts

Chrysomyxa arctostaphyli

Spruce Spider Mite

Oligonychus ununguis

Spruce Weevil

Pissodes strobi

Stem Rusts of Pine

Cronartium spp.

Tomentosus Root Disease

Inonotus tomentosus

True Fir Blights

Virgella robusta

Warren's Root-Collar Weevil

Hylobius warreni

Western Balsam Bark Beetle

Dryocoetes confusus

Western Blackheaded Budworm

Acleris gloverana

Western Cedar Borer

Trachykele blondeli

Western False Hemlock Looper

Nepytia freemani

Western Gall Rust

Endocronartium harknessii

Western Hemlock Looper

Lambdina fiscellaria

Western Pine - Aster Rust

Coleosporium asterum

White Mottled Rot

Ganoderma applanatum

White Pine Blister Rust

Cronartium ribicola

Wound Parasites

Columnocystis abietina