UK Risk Register Details for Melittomma sericeum

Common Names

  • Chestnut, timberworm

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Non-squared wood
  • Squared wood

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] 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

Current Mitigations

  • show / hide

Key mitigation for pest

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
North America
Canada Present
United States Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

oak and chestnut

Major Hosts

  • Castanea Mill.
  • Castanea dentata (Marsh.) Borkh.
  • Quercus L.
  • Quercus alba L.
  • Ulmus L.

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

Not currently listed

Actions Indicated

  • show / hide

Action

Statutory action to be taken on interceptions

General Comments

A wood-boring beetle with several hosts including Quercus, Castanea and potentially Ulmus. Intercepted in Germany but is widespread in North America.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Impact on UK Castanea and Quercus species

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause

Risk Records for this Pest