UK Risk Register Details for Diabrotica virgifera subsp. virgifera

This record was last updated on 03/03/2020

Common Names

  • Colorado corn rootworm
  • Corn rootworm, Colorado
  • Corn rootworm, western
  • Western corn rootworm

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Hitchhiking

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] 5
Spread [1 - 5] 3
Impact [1 - 5] 2
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 30

Current Mitigations

  • show / hide

Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 5
Spread [1 - 5] 3
Impact [1 - 5] 2
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe Present
Albania Present
Belarus Present
Bosnia-Herzegovina Present
Montenegro Present
Russia Present
Serbia Present
Ukraine Present
Austria Present
Bulgaria Present
Croatia Present
Czech Republic Present
France Present
Greece Present
Hungary Present
United Kingdom Absent
Italy Present
Poland Present
Romania Present
Slovakia Present
North America Present
United States Present
Canada Present
Mexico Present
Central America
Costa Rica Present
Guatemala Present
Nicaragua Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

Zea mays

Major Hosts

  • Gramineae Adans., Nom. Cons.
  • Zea mays L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (2003)

Regulation and EPPO listing

  • show / hide

EPPO A2

Actions Indicated

  • show / hide

Action

No statutory action against findings. Maize growers recommended to rotate crops.

General Comments

Pest of maize established in parts of the EU, but unlikely to reach damaging levels in the UK. Impacts can be reduced through rotation of maize crops.