UK Risk Register Details for Choristoneura conflictana

Common Names

  • Aspen borer
  • Aspen tortrix, large
  • Large aspen tortrix

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] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

EU regulated pest

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] 3
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 12

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country 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

Populus

Major Hosts

  • Populus tremuloides Michx.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

EC IAI , EPPO A1

Actions Indicated

  • show / hide

Action

Sentinel trees project could help establish possible host range in the UK

General Comments

Pathway of entry is effectively prohibited by current legislation restricting trade in host species to dormant plants. The pest completes all stages (egg laying, pupae) of lifecycle on the leaf material. Possible species to consider for sentinel trees project to verify possible host range in the UK.

Risk Records for this Pest