UK Risk Register Details for Dryocosmus kuriphilus

Common Names

  • oriental chestnut gall wasp

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] 3
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 27

Current Mitigations

  • show / hide

Key mitigation for pest

UK Protected Zone

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 27

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 Present
Austria Present
Belgium Present
Switzerland See Notes Under eradication
Czech Republic See Notes Under eradication
Germany Present
Spain Present
France Present
United Kingdom Present (Limited)
Greece Present
Croatia Present
Hungary Present
Italy Present
Netherlands Present
Portugal Present
Slovenia Present
Turkey Present
North America
United States Present
Asia Present
China Present
Japan Present
South Korea Present

Type of Pest

  • Insect (Hymenoptera)

Host or Industry at Risk

  • show / hide

Castanea sativa

Major Hosts

  • Castanea crenata Sieb. & Zucc.
  • Castanea dentata (Marsh.) Borkh.
  • Castanea mollissima Blume
  • Castanea sativa Mill.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

EPPO (2003)

EU and EPPO Listing

UK protected zone, EPPO A2

Actions Indicated

  • show / hide

Action

Surveillance. Statutory action against findings on traded plants and awareness raising. Research into management options.

General Comments

Pest of sweet chestnut established on the continent. UK has EU Protected Zone status, including requirements on movement of sweet chestnut plants into and within the UK. Populations of the pest have been confirmed in parts of South-East England.

Risk Records for this Pest