UK Risk Register Details for Choristoneura occidentalis

This record was last updated on 07/01/2021

Common Names

  • Western spruce budworm

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)

Common Pathways

  • show / hide
This section is currently being developed as part of the next phase of the Risk Register.

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 5
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 60

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest and prohibition of key pathway

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 1
Spread [1 - 5] 5
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 20

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe
United Kingdom Absent
North America
Canada Present
United States Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Forestry

Major Hosts

  • Abies Miller
  • Abies amabilis (Dougl. Ex Lood) Dougl. Ex Forbes
  • Abies concolor var. concolor (Gord. & Glend.)Lindl. Ex Hild.
  • Abies grandis (D.Don) Lindl.
  • Abies lasiocarpa var. lasiocarpa (Hook.) Nutt.
  • Larix occidentalis Nutt.
  • Picea A.Dietr.
  • Picea engelmannii Parry Ex Engelm.
  • Picea glauca (Moench) Voss
  • Picea pungens Engelm.
  • Pinus contorta Dougl. Ex Loud.
  • Pinus ponderosa Dougl. Ex P. & C.Laws.
  • Pseudotsuga menziesii var. menziesii (Mirbel) Franco

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest. EPPO A1

Actions Indicated

  • show / hide

Action

Statutory action against findings.

General Comments

North American forestry pest which has also been known as Choristoneura freemani. Pest appears well mitigated by regulation, including prohibition of host plants from North America.

Risk Records for this Pest