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UK Risk Register Details for Leptinotarsa decemlineata

This record was last updated on 07/01/2021

Common Names

  • Colorado beetle
  • Colorado potato beetle

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
  • Fruits or vegetables
  • Hitchhiking

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 60

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest (Great Britain, Northern Ireland may differ)



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 2
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 20

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Albania Present
Andorra Present
Belarus Present
Bosnia-Herzegovina Present
Republic of North Macedonia Present
Moldova Present
Austria Present
Russia Present
Belgium Present
Serbia Present
Bulgaria Present
Switzerland Present
Croatia Present
Turkey Present
Czech Republic Present
Ukraine Present
Estonia Present
Finland Present
France Present
Germany Present
Greece Present
Hungary Present
Italy Present
Latvia Present
Lithuania Present
Luxembourg Present
Netherlands Present
Poland Present
Portugal Present
Romania Present
Slovakia Present
Slovenia Present
United Kingdom Absent
Spain Present
North America
Mexico Present
United States Present
Canada Present
China Present
Iran Present
Iraq Present
Kazakhstan Present
Kyrgyzstan Present
Turkmenistan Present
Tajikistan Present
Uzbekistan Present
Armenia Present
Azerbaijan Present
Georgia Present
Central America
Guatemala Present
Cuba Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

Solanum tuberosum

Major Hosts

  • Hyoscyamus niger L.
  • Solanum lycopersicum L.
  • Nicotiana tabacum L.
  • Solanum L.
  • Solanum elaeagnifolium Cavara
  • Solanum melongena L.
  • Solanum rostratum Dun.
  • Solanum tuberosum L.
  • Solanaceae (family)

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (Great Britain, Northern Ireland may differ), EPPO A2

Actions Indicated

  • show / hide


Statutory action against findings.

General Comments

Beetle pest, primarily of potatoes. This pest has been regulated in the UK for years, which has successfully mitigated the risk of entry and establishment. Outbreak preparedness needs to be reviewed including availability of pesticides and general public awareness, particularly in younger generations.

Risk Records for this Pest