UK Risk Register Details for Thaumetopoea processionea

This record was last updated on 08/01/2021

Common Names

  • Oak processionary caterpillar
  • Oak processionary moth

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

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] 5
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 20
UK Relative Risk Rating [1 - 125] 100

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated pest free area pest (Northern Ireland, Scotland, Wales and defined part of England). Eradication and containment programme

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 45

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
Austria Present
Belgium Present
Bulgaria Present
France Present
Germany Present
Italy Present
Netherlands Present
Poland Present
Romania Present
Slovenia Present
Spain Present
Sweden Present
United Kingdom Present (Limited)
Switzerland Present
Russia Present
Belarus Present
Ukraine Present
Moldova Present
Croatia Present
Serbia Present
Turkey Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Quercus

Major Hosts

  • Quercus L.
  • Quercus calliprinos Webb
  • Quercus cerris L.
  • Quercus petraea (Matt.) Liebl.
  • Quercus pubescens Willd.
  • Quercus pyrenaica Willd.
  • Quercus robur L.
  • Quercus boissieri

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2007), EFSA (2009)

Regulation and EPPO listing

  • show / hide

Regulated pest free area pest (Northern Ireland, Scotland, Wales and defined part of England)

Actions Indicated

  • show / hide

Action

Surveillance and statutory action against findings in line with legislation.

General Comments

Pest of oak which has both plant and human health impacts. Regulation in place to protect pest free areas. Containment strategy in place to prevent spread from infected sites in London. Stakeholder groups will be a valuable contribution to monitoring.

Risk Records for this Pest