Forest Practices Code, Province of B.C.

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This Forest Practices Code Guidebook is presented for information only

It is not cited in regulation. The Forest and Range Practices Act and its regulations took effect on Jan. 31, 2004. This replaced the Forest Practices Code of British Columbia Act and regulations. For further information please see the Forest and Range Practices Act.

Bark Beetle Management Guidebook

October 1995


Authority
Forest Practices Code of British Columbia Act
Forest Road Regulation
Operational Planning Regulation

If there are questions or concerns regarding the contents of this guidebook, please contact the following Ministry of Forests Regional Offices:
Cariboo Forest Region - Williams Lake 398-4345
Kamloops Forest Region - Kamloops 828-4131
Nelson Forest Region - Nelson 354-6200
Prince George Forest Region - Prince George 565-6100
Prince Rupert Forest Region - Smithers 847-7500
Vancouver Forest Region - Nanaimo 751-7001

Table of Contents

Introduction

General description of bark beetles

Distribution and host range

Life cycles and dynamics

Life cycles
Symptoms of successful attack
Population prediction

General impacts

General management strategies

Strategies
Prevention (long-term approach)
Suppression
Maintain low
Holding action
Salvage
Abandon (no control)

Managing specific bark beetles

Aerial survey procedures
Minimum suggested survey standards
Analyzing, recording, and storing data
Mountain pine beetle
Hazard rating
Risk rating
Ground detection
Management options
Spruce beetle
Hazard rating
Risk rating
Ground detection
Management options
Douglas-fir beetle
Hazard rating
Risk rating
Ground detection
Management options

Other bark beetles

Other Dendroctonus species
Other Scolytid species

Glossary

References

General
Mountain pine beetle (Dendroctonus ponderosae Hopk.)
Spruce beetle (Dendroctonus rufipennis (Kirby)
Douglas-fir beetle (Dendroctonus pseudotsugae Hopk.)

List of tables

  1. Major damaging bark beetles of British Columbia
  2. Timing of life cycle events
  3. Bole symptoms of successful bark beetle attack.
  4. Foliage symptoms of successful bark beetle attack
  5. Age factors for mountain pine beetle hazard rating
  6. Density factor for mountain pine beetle hazard rating
  7. Location factor for mountain pine beetle hazard rating
  8. Determining priority for action based on stand hazard and associated risk
  9. Recommended ground survey method and intensity based on infestation ratings gathered from aerial surveys
  10. Annual schedule of mountain pine beetle management activities
  11. Values for factors used to derive spruce beetle stand hazard rating
  12. Recommendations for further action based on walkthrough estimates
  13. Spruce beetle attack codes
  14. Recommended management activity time for spruce beetle
  15. Parameter values for hazard rating Douglas-fir stands
  16. Management priority ranking based on stand hazard and risk
  17. Recommended management activity time for Douglas-fir beetle

List of figures

  1. Distribution map of mountain pine beetle in British Columbia
  2. Distribution map of spruce beetle in British Columbia
  3. Distribution map of Douglas-fir beetle in British Columbia
  4. Selection of management strategy for mountain pine beetle
  5. Selection of management actions for spruce beetle
  6. Decision framework for managing Douglas-fir beetle

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