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Select Disease or Pest By Scientific Name

Common Name

Scientific Name

Balsam woolly adelgid

Adelges piceae

Black vine weevils

Otiorhynchus sulcatus

Collembola - Springtails

Bourletiella hortensis

Colletotrichum blight

Colletotrichum acutatum

Colletotrichum blight

Colletotrichum gloeosporioides

Conifer root aphid

Pachypappa tremulae

Conifer root aphid

Prociphilus xylostei

Cooley spruce gall adelgid

Adelges cooleyi

Corky root disease

Xiphinema bakeri

Cranberry girdler

Chrysoteuchia topiaria

Variegated cutworms

Peridroma saucia

Cylindrocarpon root rot

Cylindrocarpon destructans

European marsh crane fly (leatherjackets)

Tipula paludosa

European pine shoot moth

Rhyacionia buoliana

Fungus gnats

Bradysia spp.

Fusarium root rot

Fusarium spp.

Fusarium top blight

Fusarium oxysporum

Giant conifer aphids

Cinara spp.

Gray mould

Botrytis cinerea

Green spruce aphid

Elatobium abietinum

Hypocotyl rot

Fusarium spp.

Hypocotyl rot

Phoma spp.

June beetles (white grubs)

Polyphylla decemlineata

Keithia blight

Didymascella thujina

Larch needle cast

Meria laricis

Lygus bug

Lygus lineolaris

Melampsora foliage rust - conifer-aspen rust

Melampsora medusae

Melampsora foliage rust - conifer-cottonwood rust

Melampsora occidentalis

Moulding of Stored Seedlings

Aspergillus spp.

Moulding of Stored Seedlings

Cylindrocarpon spp.

Moulding of Stored Seedlings

Epicoccum spp.

Moulding of Stored Seedlings

Fusarium spp.

Moulding of Stored Seedlings

Penicillium spp.

Moulding of Stored Seedlings

Rhizopus spp.

Needle dieback

Pythium spp.

Phoma blight

Phoma spp.

Phomopsis canker and foliage blight

Phomopsis spp.

Phytophthora root rot

Phytophthora spp.

Post-emergence damping-off

Fusarium spp.

Post-emergence damping-off

Pythium spp.

Spruce wooly aphid

Mindarus obliquus

Pythium root rot

Pythium spp.

Root weevil

Otiorhynchus spp.

Root weevil

Strophosoma melanogrammum

Root weevil

Trachyphloeus bifoveolatus

Rosellinia blight

Rosellinia minor

Rusty tussock moth

Orgyia antiqua

Seed Fungus

Caloscypha fulgens

Sirococcus blight

Sirococcus strobilinus

Smothering fungus

Thelephora terrestris

Spruce spider mite

Oligonychus ununguis

Strawberry root weevil

Otiorhynchus ovatus

Trisetacus mite

Trisetacus spp.

Western gall rust

Endocronartium harknessii

Western spruce budworm

Choristoneura occidentalis