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Apples

  • Latin name: Malus sp.
  • French name: Pommier
  • Taxonomic Serial Number:
Description
Insects and mites

Insects that cause damage to this tree.

Ashflower gall

Scientific name: Eriophyes fraxiniflora Felt

Galls of hardwoods

Scientific name: Eriophyes sp.

Pale winged grey

Scientific name: Iridopsis ephyraria (Wlk.)

Flowers, fruits, or seeds

Winter moth

Scientific name: Operophtera brumata (L.)

  • Revision 2025
  • Winter moth
    Scientific name: Operophtera brumata (L.)
    • Revision 2025

Foliage or buds

Bruce spanworm complex

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

Fall webworm

Scientific name: Hyphantria cunea (Drury)

Northern tent caterpillar

Scientific name: Malacosoma californicum pluviale (Dyar)

Spongy moth

Scientific name: Lymantria dispar (Linnaeus)

  • Revision 2024

Whitetriangle leafroller

Scientific name: Clepsis persicana (Fitch)

Winter moth

Scientific name: Operophtera brumata (L.)

  • Revision 2025

Roots, bark, stem or trunk, or branches

Oystershell scale

Scientific name: Lepidosaphes ulmi (L.)

Diseases caused by pathogens

Diseases caused by pathogens that cause damage to this tree.

Brown cubical sap rot

Pathogen name: Gloeophyllum sepiarium (Wulfen: Fr.) P. Karst.

Nectria dieback

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

Flowers, fruits, or seeds

Fire blight

Pathogen name: Erwinia amylovora (Burrill) Winslow. et al.

  • Fire blight
    Pathogen name: Erwinia amylovora (Burrill) Winslow. et al.

Foliage or buds

Fire blight

Pathogen name: Erwinia amylovora (Burrill) Winslow. et al.

  • Fire blight
    Pathogen name: Erwinia amylovora (Burrill) Winslow. et al.

Roots, bark, stem or trunk, or branches

Annosus root and butt rot (Heterobasidion occidentale)

Pathogen name: Heterobasidion occidentale Otrosina & Garbel

Cytospora canker

Pathogen name: Cytospora chrysosperma (Pers.) Fr.

  • Revision 2024

Fire blight

Pathogen name: Erwinia amylovora (Burrill) Winslow. et al.

Nectria canker

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

  • Revision 2024

Silver leaf disease

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