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UK Risk Register Details for Phellinus everhartii

Please note: there are high levels of uncertainty associated with the risk scores for this pest.

This record was last updated on 08/06/2022

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Non-squared wood

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Non-squared wood
  • Squared wood
  • Bark
  • Wood packaging material
  • Firewood
  • Roundwood of oak with bark present

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 2
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

Requirements on Quercus wood and woodchip from North America

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 2
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 20

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe
United Kingdom Absent
North America
Canada Present
United States Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide

Quercus

Major Hosts

  • Acer saccharum Marsh.
  • Betula L.
  • Carya Nutt.
  • Castanea dentata (Marsh.) Borkh.
  • Fagus L.
  • Juglans
  • Liriodendron L.
  • Malus sylvestris subsp. sylvestris (Linnaeus) Miller
  • Ostrya Scop.
  • Oxydendrum Dc.
  • Populus L.
  • Quercus L.
  • Quercus petraea (Matt.) Liebl.
  • Quercus robur L.
  • Quercus rubra L.
  • Ulmus L.
  • Prosopis

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide

Action

No statutory action. Maintain a watching brief.

General Comments

A fungal pest of oak species in North America. The pest can enter through woodchip or plants for planting and is likely to survive in the UK climate. If it established in the UK it could cause moderate damage to the timber industry. Import restrictions help to mitigate the risk of introduction.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Lack impact reports from native range, unclear distribution.

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest