UK Risk Register Details for Ostrinia nubilalis

Common Names

  • Corn borer
  • Corn moth
  • European corn borer
  • European maize borer
  • European stalk borer
  • Maize pyralid

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



Industry Scheme

Contingency Plan



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



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
Austria Present
Belgium Present
Bulgaria Present
Switzerland Present
Cyprus Present
Czech Republic Present
Germany Present
Denmark Present
Spain Present
France Present
United Kingdom Present (Limited)
Greece Present
Croatia Present
Hungary Present
Ireland Present
Italy Present
Moldova Present
Montenegro Present
Netherlands Present
Norway Present
Poland Present
Portugal Present
Romania Present
Serbia Present
Russia Present
Sweden Present
Slovenia Present
Slovakia Present
Ukraine Present
North America
Canada Present
United States Present
Algeria Present
Egypt Present
Libya Present
Morocco Present
Tunisia Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Zea mays

Major Hosts

  • Amaranthus L.
  • Apium graveolens L.
  • Artemisia L.
  • Artemisia vulgaris L.
  • Aster L.
  • Avena sativa L.
  • Cannabis sativa ssp. sativa L.
  • Capsicum annuum L.
  • Dahlia Cav.
  • Gladiolus L.
  • Humulus lupulus L.
  • Panicum L.
  • Phaseolus vulgaris L.
  • Rumex L.
  • Solanum lycocarpum St.-Hil.
  • Solanum tuberosum L.
  • Sorghum vulgare Pers.
  • Zea mays L.
  • Alcea rosea L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (2010)

EU and EPPO Listing

Not currently listed

Actions Indicated

  • show / hide


No statutory action against findings

General Comments

Polyphagous boring pest present in the UK since the 1930’s. A maize-affecting race was detected for the first time in 2010. Industry may wish to monitor for its presence and mitigate against impacts.

Risk Records for this Pest