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Ministry of Agriculture

Tree Fruit Insect Pests and Diseases

Diseases

  1. Apple Scab
  2. Anthracnose and Perennial Canker of Apple
  3. Apple Leaf Drop (Necrotic Leaf Blotch, Golden Leaf Drop)
  4. Bacterial Canker of Stone Fruits
  5. Blister Spot
  6. Brown Rot of Stone Fruits
  7. Botrytis Rots of Pome and Stone Fruit
  8. Bull's Eye Rot of Apple and Pear
  9. Calcium deficiency (bitter pit)
  10. Coryneum Blight (Shot Hole)
  11. Crown Gall, Root Gall and Hairy Root
  12. Crown Rot
  13. Cytospora Canker (Leucostoma Canker)
  14. European Canker (Nectria Canker)
  15. Fire Blight of Apple and Pear
  16. Little Cherry Virus in British Columbia
  17. Nematodes
  18. Powdery Mildew - Tree Fruit
  19. Peach Leaf Curl
  20. Post-Harvest Diseases
  21. Rhizopus Rot of Peach
  22. Replant Disease
  23. Verticillium Wilt of Stone Fruits
  24. Virus and Virus-Like Diseases of Tree Fruit

Insects
  1. Apple Clearwing Moth
  2. Apple Maggot
  3. Ambrosia Beetles
  4. Aphids
  5. Apple Curculio
  6. Apple Leaf Curling Midge
  7. Apple Mealybug
  8. Bruce Spanworm
  9. Caterpillars (Apple-and-Thorn Skeletonizer, Red-humped, Yellow-necked, Tent and Fall Webworm)
  10. Cherry Fruit Fly
  11. Cherry Fruitworm
  12. Codling Moth
  13. Cutworms
  14. Earwigs
  15. European Paper Wasp
  16. Eyespotted Bud Moth
  17. Green Fruitworms
  18. Leafrollers
  19. Lygus Bugs
  20. Mites
  21. Mullein Bug (Campylomma)
  22. Peach Tree Borer
  23. Peach Twig Borer
  24. Pear Psylla
  25. Pear Slug (Pear Sawfly)
  26. Scale Insects
  27. Shothole Borer
  28. Spotted Wing Drosophila
  29. Tentiform Leafminer
  30. Western Flower Thrips
  31. White Apple Leafhopper

Also see:  Harmful and Beneficial Insects and Mites of Tree Fruits

Pest and Disease Management Resources