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UK Risk Register Details for Ostrinia nubilalis

Pest has been archived

This pest has been assessed for the Risk Register and is considered to pose a low risk to the UK. The information on this pest was correct as of 27/07/2020, but is no longer actively maintained. It will only be updated if new information is received which indicates the potential for a significant increase in risk to the UK.

This record was last updated on 27/07/2020

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
  • Plants for planting (except seeds bulbs and tubers)
  • natural dispersal

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

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide


No statutory action against findings

General Comments

Polyphagous boring moth 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