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Roots, bark, stem or trunk, or branches of conifers

Insects and mites

Aphids (plant lice)

Scientific name: Aphis sp.

Arborvitae weevil

Scientific name: Phyllobius intrusus Kono

Balsam woolly adelgid

Scientific name: Adelges piceae (Ratzeburg)

Bark beetle

Scientific name: Crypturgus pusillus (Eichhoff)

Brown spruce longhorn beetle

Scientific name: Tetropium fuscum (Fabricius)

  • Revision 2024

Eastern larch beetle

Scientific name: Dendroctonus simplex LeConte

Fir coneworm

Scientific name: Dioryctria abietivorella (Grote)

Golden buprestid

Scientific name: Buprestis aurulenta Linnaeus

Juniper webworm

Scientific name: Dichomeris marginella (Fabricius)

Lesser shothole borer

Scientific name: Xyleborinus saxeseni (Ratzeburg)

Metallic pitch blister moth

Scientific name: Petrova metallica (Busck)

Mountain pine beetle

Scientific name: Dendroctonus ponderosae Hopkins

Northern pine weevil

Scientific name: Pissodes nemorensis Germar

Northern pitch twig moth

Scientific name: Petrova albicapitana (Busck)

Pales weevil

Scientific name: Hylobius pales (Herbst)

Pine bark adelgid

Scientific name: Pineus strobi (Hartig)

Pine shoot beetle

Scientific name: Tomicus piniperda (L.)

Pine spittlebug

Scientific name: Aphrophora cribrata (Wlk)

Pine tortoise scale

Scientific name: Toumeyella parvicornis (Cockerell)

Pine tussock moth

Scientific name: Dasychira grisefacta (Dyar)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Redwood bark beetle

Scientific name: Phloeosinus sequoiae Hopkins

Sequoia pitch moth

Scientific name: Synanthedon sequoiae (Hy. Edw.)

Spruce beetle

Scientific name: Dendroctonus rufipennis (Kirby)

  • Revision 2024

Warren root collar weevil

Scientific name: Hylobius warreni Wood

Western balsam bark beetle

Scientific name: Dryocoetes confusus Sw.

Western cedar borer

Scientific name: Trachykele blondeli Marseul

Whitemarked tussock moth

Scientific name: Orgyia leucostigma (J. E. Smith)

Whitespotted sawyer

Scientific name: Monochamus scutellatus (Say)

Diseases caused by pathogens

Armillaria ostoyae root disease

Pathogen name: Armillaria ostoyae (Romagnesi) Herink

Atropellis canker

Pathogen name: Atropellis piniphila (Weir) Lohman & Cash

Brown cubical butt and pocket rot of cedar

Pathogen name: Oligoporus sericeomollis (Romell) Bondartseva

  • Revision 2024

Brown cubical pocket rot

Pathogen name: Veluticeps fimbriata (Ellis & Everh.) Nakas.

Brown felt blight

Pathogen name: Herpotrichia juniperi (Duby) Petr.

Brown pocket rot of Sitka spruce

Pathogen name: Neolentinus kaufmannii (A. H. Smith) Redhead & Ginns

Brown stringy trunk rot

Pathogen name: Echinodontium tinctorium (Ellis & Everh.) Ellis & Everh.

Brown trunk rot

Pathogen name: Fomitopsis officinalis (Villars.:Fr.) Bondartsev & Singer

Canker disease of spruce

Pathogen name: Leucostoma kunzei Sacc.

Comandra blister rust

Pathogen name: Cronartium comandrae Peck

Diplodia tip blight (Sphaeropsis sapinea)

Pathogen name: Sphaeropsis sapinea (Fr.) Dyko & B. Sutton

Eastern dwarf mistletoe

Pathogen name: Arceuthobium pusillum Peck

Elytroderma disease

Pathogen name: Elytroderma deformans (Weir) Darker

  • Revision 2024

European larch canker

Pathogen name: Lachnellula willkommii (Hartig) Dennis

Fir broom rust

Pathogen name: Melampsorella elatina (Alb. & Schwein.) Arthur

  • Revision 2024

Fir needle cast (Isthmiella quadrispora)

Pathogen name: Isthmiella quadrispora Ziller

Hail injury

Pathogen name: Ruptio grandinis Nature

Hardwood Trunk Rot

Pathogen name: Phellinus igniarius (L.:Fr.) Quél.

Hemlock dwarf mistletoe

Pathogen name: Arceuthobium tsugense (Rosendahl) G.N. Jones

Ice break

Pathogen name: Ruptio gelicidii Nature

Larch dwarf mistletoe

Pathogen name: Arceuthobium laricis (Piper) St-John

Lodgepole pine dwarf mistletoe

Pathogen name: Arceuthobium americanum Nutt. Ex Engelm.

  • Revision 2024

Meadow vole or field mouse

Pathogen name: Microtus pennsylvanicus (Ord)

Ostreatus white spongy rot

Pathogen name: Pleurotus ostreatus (Jacq.:Fr.) P. Kumm.

Phomopsis canker of douglas-fir

Pathogen name: Diaporthe lokoyae Funk

Pileated woodpecker

Pathogen name: Dryocopus pileatus L.

Pinicola brown crumbly rot

Pathogen name: Fomitopsis pinicola (Sw.:Fr.) P. Karst.

Pitted sap rot

Pathogen name: Trichaptum abietinum (Dicks.) Ryvarden (Common names for this fungus: purple conk fungus, purple-toothed polypore)

  • Revision 2024

Porcupine

Pathogen name: Erethizon dorsatum (Linnaeus)

Red butt rot and sap rot

Pathogen name: Cryptoporus volvatus (Peck) Shear

Red heart rot

Pathogen name: Stereum sanguinolentum (Albertini & Schwein) Fr.

  • Revision 2024

Red ring rot

Pathogen name: Phellinus pini (Thore:Fr.) A. Ames

Rhizina root rot

Pathogen name: Rhizina undulata Fr.:Fr.

Schweinitzii butt rot

Pathogen name: Phaeolus schweinitzii (Fr.) Pat. (Common names for the fungus: velvet-topped polypore, dyer’s polypore)

  • Revision 2024

Scleroderris canker North American strain

Pathogen name: Gremmeniella abietina var. NA (Lagerberg) Morelet

Scleroderris canker, European strain

Pathogen name: Gremmeniella abietina var. Eu (Lagerberg) Morelet

Sericeomollis brown cubical butt

Pathogen name: Postia sericeomollis (Romell) Jülich

Silver leaf disease

Pathogen name: Chondrostereum purpureum (Pers.:Fr) Pouzar.

Spruce broom rust

Pathogen name: Chrysomyxa arctostaphyli Dietel

  • Revision 2024

Stalactiform blister rust

Pathogen name: Cronartium coleosporioides Arthur

Stringy Butt Rot

Pathogen name: Perenniporia subacida (Peck) Donk

Sulphureus brown cubical rot

Pathogen name: Laetiporus sulphureus (Bull.:Fr.) Murrill

Sweetfern blister rust

Pathogen name: Cronartium comptoniae Arth.

Tomentosus root rot

Pathogen name: Inonotus tomentosus (Fr.:Fr.) Teng

Western gall rust

Pathogen name: Cronartium harknessii E. Meinecke

  • Revision 2024

White butt rot - White laminated rot

Pathogen name: Ceriporiopsis rivulosa (Berk. & Curtis) Gilb. & Ryvarden

White mottled rot

Pathogen name: Ganoderma applanatum (Pers.) Pat.

White pine blister rust

Pathogen name: Cronartium ribicola J.C. Fisch.

White spongy trunk rot

Pathogen name: Fomes fomentarius (L.) Fr. (Common name for this fungus: tinder conk)

  • Revision 2024

White trunk rot of conifers

Pathogen name: Phellinus hartigii (Allesch. & Schnabl) Pat.

Yellow pitted rot

Pathogen name: Hericium abietis (Weir ex Hubert) K. A. Harrison

Yellow-bellied sapsucker

Pathogen name: Sphyrapicus varius L.

Diseases and damage caused by other agents

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