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Willow

Silhouette - willow
Silhouette - willow
  • Latin name: Salix sp.
  • French name: Saule
  • Taxonomic Serial Number:
Description
Insects and mites

Insects that cause damage to this tree.

Birch and alder flea weevil

Scientific name: Rhynchaenus testaceus (Mull)

Pale winged grey

Scientific name: Iridopsis ephyraria (Wlk.)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Willow flea weevil

Scientific name: Isochnus rufipes (LeConte)

Foliage or buds

Asian longhorned beetle

Scientific name: Anoplophora glabripennis (Motschulsky)

  • Revision 2024

Bruce spanworm complex

Scientific names:
  • Operophtera bruceata (Hulst)
  • Operophtera danbyi (Hulst)
  • Operophtera occidentalis (Hulst)
  • Revision 2025

Fall webworm

Scientific name: Hyphantria cunea (Drury)

Large aspen tortrix

Scientific name: Choristoneura conflictana (Walker)

  • Revision 2024

Mourningcloak butterfly or spiny elm caterpillar

Scientific name: Nymphalis antiopa (Linnaeus)

Northern tent caterpillar

Scientific name: Malacosoma californicum pluviale (Dyar)

Pero moth

Scientific name: Pero morrisonaria (Hy. Edwards)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Rusty tussock moth

Scientific name: Orgyia antiqua (L.)

  • Revision 2025

Saddleback looper

Scientific name: Ectropis crepuscularia (Denis and Schiffermuller)

Speckled green fruitworm

Scientific name: Orthosia hibisci (Guenée)

Spongy moth

Scientific name: Lymantria dispar (Linnaeus)

  • Revision 2024

White slaut

Scientific name: Tetracis cachexiata (Guenée)

Whitelined looper

Scientific name: Epirrita pulchraria (Taylor)

Whitetriangle leafroller

Scientific name: Clepsis persicana (Fitch)

Roots, bark, stem or trunk, or branches

Asian longhorned beetle

Scientific name: Anoplophora glabripennis (Motschulsky)

  • Revision 2024

Banded elm bark beetle

Scientific name: Scolytus schevyrewi Semenov

  • Revision 2025

European elm bark beetle

Scientific name: Scolytus multistriatus (Marsham)

  • Revision 2025

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Rusty tussock moth

Scientific name: Orgyia antiqua (L.)

  • Revision 2025

Willow flea weevil

Scientific name: Isochnus rufipes (LeConte)

Diseases caused by pathogens

Diseases caused by pathogens that cause damage to this tree.

Fir-willow rust

Pathogen name: Melampsora abietis-capraearum Tub.

Nectria dieback

Pathogen name: Nectria cinnabarina (Tode:Fr.) Fr.

Ribes-willow rust

Pathogen name: Melampsora ribesii-purpureae

Foliage or buds

Hemlock-willow rust

Pathogen name: Melampsora epitea Thuem.

Tar spot (Rhytisma salicinum )

Pathogen name: Rhytisma salicinum (Pers.:Fr.) Fr.

Willow scab

Pathogen name: Venturia saliciperda (Nüesch)

Roots, bark, stem or trunk, or branches

Cytospora canker

Pathogen name: Cytospora chrysosperma (Pers.) Fr.

  • Revision 2024

Hardwood Trunk Rot

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

Hypoxylon canker

Pathogen name: Entoleuca mammata (Wahlenb.) J.D. Rogers & Y.M. Ju

  • Revision 2024

Nectria canker

Pathogen name: Neonectria ditissima (Tul. & C. Tul.) Samuels & Rossman

  • Revision 2024

Pinicola brown crumbly rot

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

Silver leaf disease

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

Stringy Butt Rot

Pathogen name: Perenniporia subacida (Peck) Donk

Sulphureus brown cubical rot

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

White mottled rot

Pathogen name: Ganoderma applanatum (Pers.) Pat.

White spongy trunk rot

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

  • Revision 2024

Willow scab

Pathogen name: Venturia saliciperda (Nüesch)