UK Risk Register Details for Malacosoma disstria

Common Names

  • Forest tent caterpillar
  • Forest tent caterpillar moth

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

Current Mitigations

  • show / hide

Key mitigation for pest

Action against findings under general powers

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

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

Broadleaved trees

Major Hosts

  • Acer saccharum Marsh.
  • Betula papyrifera Marsh.
  • Liquidambar styraciflua L.
  • Nyssa aquatica L.
  • Nyssa sylvatica Marshall
  • Populus tremuloides Michx.
  • Quercus macrocarpa Michx.
  • Quercus nigra L.
  • Quercus phellos L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

EPPO A1

Actions Indicated

  • show / hide

Action

EU should consider specific regulation as recommended by EPPO

General Comments

Serious defoliator of trees in North America. EU should consider specific regulation as recommended by EPPO

Risk Records for this Pest