UK Risk Register Details for Dendrolimus superans

Common Names

  • Hemlock caterpillar, Japanese

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] 4
Impact [1 - 5] 5
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 15
UK Relative Risk Rating [1 - 125] 75

Current Mitigations

  • show / hide

Key mitigation for pest

EU prohibition of key pathway

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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

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
Russia See Notes Asian Russia
Asia
Japan Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Conifers

Major Hosts

  • Abies sachalinensis (Fr.Schm.) Mast.
  • Picea A.Dietr.
  • Picea jezoensis var. jezoensis (Sieb. & Zucc.) Carr.
  • Pinus pumila (Pall.) Regel
  • Larix gmelinii

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

EPPO A2

Actions Indicated

  • show / hide

Action

Statutory action against findings. Consideration should be given to regulating at European level.

General Comments

Pest of conifers currently only known from Asia where it can cause significant defoliation. Potential pest on European conifer species, and consideration should be given to regulation at an EU level.

Risk Records for this Pest