UK Risk Register Details for Xylosandrus germanus

Common Names

  • Black timber bark beetle
  • Smaller alnus bark beetle
  • tea root borer

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

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

Current Mitigations

  • show / hide

Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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

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
Austria Present
Belgium Present
Switzerland Present
Germany Present
Spain Present
France Present
United Kingdom Present (Limited)
Croatia Present
Hungary Present
Italy Present
Netherlands Present
Russia Present
Slovenia Present
North America
Canada Present
United States Present
Asia
China Present
Japan Present
South Korea Present
Taiwan Present
Vietnam Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

Forestry

Major Hosts

  • Abies Miller
  • Acer L.
  • Alnus Mill.
  • Betula L.
  • Camellia sinensis (L.) O.Kuntze
  • Carpinus L.
  • Carya Nutt.
  • Castanea Mill.
  • Cornus L.
  • Fraxinus L.
  • Juglans nigra L.
  • Juglans regia L.
  • Magnolia L.
  • Picea A.Dietr.
  • Pinus L.
  • Populus L.
  • Prunus L.
  • Pseudotsuga menziesii var. menziesii (Mirbel) Franco
  • Quercus L.
  • Salix L.
  • Ulmus L.
  • Vitis vinifera ssp. vinifera L.
  • Fagus sylvatica L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2014)

EU and EPPO Listing

Not currently listed

Actions Indicated

  • show / hide

Action

No statutory action against findings. Targeted surveillance to determine distribution. Advice on good silvicultural practice.

General Comments

Ambrosia beetle affecting a wide range of trees and woody hosts. Widespread in Europe and elsewhere and now present in the south of England. Impacts can be reduced by good silvicultural practices. Surveillance is being carried out to better determine distribution.

Risk Records for this Pest