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UK Risk Register Details for Polygraphus proximus

This record was last updated on 05/06/2020

Common Names

  • four-eyed fir bark beetle
  • Japanese silver-fir bark beetle
  • Sakhalin fir bark beetle

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Non-squared wood
  • Wood packaging material (with bark)

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Non-squared wood

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 5
Spread [1 - 5] 2
Impact [1 - 5] 5
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 25
UK Relative Risk Rating [1 - 125] 75

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 5
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 15
UK Relative Risk Rating [1 - 125] 45

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
Russia Present
Kazakhstan Absent Presence reported in a study but not detected in official inspections
Russia Present
China Present
Japan Present
North Korea Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide


Major Hosts

  • Abies Miller
  • Abies balsamea (L.) Mill.
  • Abies firma Sieb. & Zucc.
  • Abies holophylla Maxim.
  • Abies mariesii Mast.
  • Abies nephrolepis (Trautv.) Maxim.
  • Abies sachalinensis (Fr.Schm.) Mast.
  • Abies sibirica Ledeb.
  • Abies veitchii Lindl.
  • Larix Mill.
  • Picea abies (L.) H. Karst.
  • Picea glehnii (Fr. Schm.) Mast.
  • Picea jezoensis var. jezoensis (Sieb. & Zucc.) Carr.
  • Pinus densiflora Sieb. & Zucc.
  • Pinus koraiensis Sieb. & Zucc.
  • Tsuga Carr.
  • Larix gmelinii

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

EPPO (2014)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest. EPPO A2

Actions Indicated

  • show / hide


Statutory action against findings.

General Comments

Beetle pest of firs spreading in Russia causing damage particularly outside its native range. Risk from spread from European Russia. Strengthened requirements should be considered on the basis of an EPPO PRA.

Risk Records for this Pest