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B.C. Home » Agriculture » Pest Management

Grape Insect Pests and Diseases

The following information is adapted from The Best Practices Guide for Grapes for British Columbia Growers, published by the Ministry of Agriculture and the BC Wine Grape Council. For more information on ordering a copy of the guide, please follow this link: Best Practices Guide for Grapes for B.C. Growers.

For additional information on management of grape insect pests and diseases, refer to:
Pest Control Products Recommended for Use on Grapes in British Columbia (PDF 450 KB).

Grape Diseases

• Botrytis Bunch Rot
• Powdery Mildew
• Sour Rot
• Crown Gall
• Virus Diseases
• Phytoplasma Diseases
• Young Vine Decline
  • Esca
  • Black Foot
  • Botryosphaeria Canker
  • Root Rot and Decline
• Nematodes
• Other Diseases

Grape Insect and Mite Pests

• Leafhoppers
• Climbing Cutworms
• Grape Phylloxera
• Wasps
• Spotted Wing Drosophila (pest alert)
• Thrips
• Spider Mites
• Grape Erineum Mite
• Grape Leaf Rust Mite
• Grape Mealybug
• Scale Insects
• Snailcase Bagworm
• European Earwig
• Click Beetle
• Western Grape Rootworm (pest alert)

A Note on Pesticide Use:

Before using an insecticide or fungicide, carefully read the label and note the pre-harvest interval. It is also important to consider the following points:

• Is the chosen pesticide acceptable to your buyers? 
• Is the chosen pesticide registered for the intended use?
• Are you using the pesticide as part of an integrated pest management strategy?
• Have all relevant cultural management practices for the pest or disease in question been considered?
• Are you using resistance management strategies, such as alternating fungicides or insecticides having different modes of action (group numbers) to avoid resistance?

Be cautious and accurate when using pesticides. Use proper equipment, maintained in good condition and calibrated accurately. For more information on pesticides and pesticide safety, please refer to the Pesticide Wise section of this website.

*The Adobe Acrobat Reader is needed to view PDF files. This program may be downloaded free of charge from the Adobe web site (www.adobe.com)