UK Risk Register Details for Dryocosmus kuriphilus

This record was last updated on 28/04/2020

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

Regulated pest free area pest

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
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 Mill.
  • 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)

Regulation and EPPO listing

  • show / hide

Regulated pest free area pest (whole UK and other parts of Europe), EPPO A2

Actions Indicated

  • show / hide

Action

Research into management options, e.g. biocontrol.

General Comments

Gall wasp pest of sweet chestnut recently established in the UK. Populations of the pest have been confirmed in areas including South-East England.

Risk Records for this Pest