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UK Risk Register Details for Dendroctonus valens

This record was last updated on 01/11/2022

Common Names

  • Red turpentine beetle

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Non-squared wood
  • Bark
  • Wood packaging material
  • Woodchip

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Cut flowers or branches
  • Non-squared wood
  • Squared wood
  • Bark
  • Wood packaging material
  • Woodchip

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 4
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 16
UK Relative Risk Rating [1 - 125] 80

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest and prohibition of some pathways



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 4
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 60

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
North America
Canada Present
United States Present
Mexico Present
China Present
Central America
Belize Present
Guatemala Unknown Uncertain taxonomy, may be a different species
Honduras Unknown Uncertain taxonomy, may be a different species
Nicaragua Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

Pinus (Forestry)

Major Hosts

  • Larix Mill.
  • Picea A.Dietr.
  • Pinus L.
  • Pinus armandii Franch.
  • Pinus ayacahuite Ehrenb.
  • Pinus bungeana Zucc. Ex Endl.
  • Pinus cembroides Zucc.
  • Pinus contorta Dougl. Ex Loud.
  • Pinus coulteri D.Don
  • Pinus echinata Mill.
  • Pinus edulis Engelm.
  • Pinus engelmannii Carr.
  • Pinus flexilis James
  • Pinus greggii (Parl.) Engelm.
  • Pinus hartwegii Lindley
  • Pinus jeffreyi Grev. & Balf./Murr.
  • Pinus lambertiana Dougl.
  • Pinus leiophylla Cham. & Schlecht./Schiede & Deppe
  • Pinus maximinoi H.E.Moore
  • Pinus monophylla Torr. & Frem.
  • Pinus montezumae Lamb.
  • Pinus monticola Dougl. Ex D.Don
  • Pinus oocarpa Schiede
  • Pinus patula Cham. & Schlecht.
  • Pinus ponderosa Dougl. Ex P. & C.Laws.
  • Pinus ponderosa var. arizonica Dougl.
  • Pinus pseudostrobus Lindl.
  • Pinus quadrifolia Parl. Ex Sudw.
  • Pinus radiata D.Don
  • Pinus resinosa Ait./Soland.
  • Pinus rigida Mill.
  • Pinus sabiniana Dougl. Ex D.Don
  • Pinus strobiformis Engelm.
  • Pinus strobus L.
  • Pinus sylvestris Linnaeus
  • Pinus tabulaeformis Carriere
  • Pinus virginiana Mill.
  • Pinus pringlei Shaw
  • Pinus devoniana Lindl.

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

UK (2021)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (as Scolytidae spp. (non-European)). EPPO A1.

Actions Indicated

  • show / hide


Statutory action against findings. Targeted monitoring at points of entry.

General Comments

Bark beetle native to the Americas but which has caused serious damage to pine trees following its introduction to China. Existing regulations provide protection against risk of introduction, although residual pine bark sometimes remains on packaging material and manufactured products.

Further Information


  • show / hide

Key uncertainty for pest

Whether impacts in the UK would be more similar to China or North America


Current distribution






UK distribution

Risk Records for this Pest