UK Risk Register Details for Liriomyza trifolii

Common Names

  • American serpentine leaf miner
  • chrysanthemum leaf miner

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Cut flowers or branches

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] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

EU regulated pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 24

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
Europe Present
Austria Present
Bosnia-Herzegovina Present
Belgium Present
Switzerland Present
Cyprus Present
Spain Present
Finland Present
France Present
United Kingdom Absent
Greece Present
Croatia Present
Italy Present
Malta Present
Netherlands Present
Portugal Present
Romania Present
Serbia Present
Russia Present
Slovenia Present
Turkey Present
North America
Antigua and Barbuda Present
Barbados Present
Bermuda Present
Bahamas Present
Canada Present
Costa Rica Present
Cuba Present
Dominican Republic Present
Guadeloupe Present
Guatemala Present
Saint Kitts and Nevis Present
Martinique Present
Mexico Present
Puerto Rico Present
Trinidad and Tobago Present
United States Present
British Virgin Islands Present
South America
Brazil Present
Chile Present
Colombia Present
Ecuador Present
French Guiana Present
Guyana Present
Peru Present
Venezuela Present
Micronesia Present
Tonga Present
Samoa Present
Africa Present
Benin Present
Cote d'Ivoire Present
Egypt Present
Ethiopia Present
Guinea Present
Kenya Present
Morocco Present
Madagascar Present
Mauritius Present
Nigeria Present
Reunion Present
Sudan Present
Senegal Present
Tunisia Present
Tanzania Present
Mayotte Present
South Africa Present
Zambia Present
Zimbabwe Present
Asia Present
United Arab Emirates Present
China Present
Israel Present
India Present
Iran Present
Japan Present
South Korea Present
Lebanon Present
Oman Present
Philippines Present
Saudi Arabia Present
Taiwan Present
Vietnam Present
Yemen Present

Type of Pest

  • Insect (Diptera)

Host or Industry at Risk

  • show / hide

Total protected cultivation

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Ageratum L.
  • Allium L.
  • Apium graveolens L.
  • Aster L.
  • Beta vulgaris L.
  • Brassica L.
  • Callistephus Cass.
  • Capsicum annuum L.
  • Chrysanthemum L.
  • Cucumis melo L.
  • Cucumis sativus L.
  • Cucurbita pepo L.
  • Cucurbitaceae
  • Dahlia Cav.
  • Chrysanthemum x morifolium Ramat.
  • Dianthus L.
  • Gaillardia Foug.
  • Gerbera L. Ex Cass. Corr. Spreng.
  • Glycine max (L.) Merr.
  • Gossypium L.
  • Gypsophila L.
  • Helianthus L.
  • Lactuca sativa L.
  • Lathyrus L.
  • Phaseolus L.
  • Pisum sativum Linnaeus
  • Salvia L.
  • Solanum L.
  • Spinacia oleracea L.
  • Tagetes L.
  • Trifolium L.
  • Tropaeolum L.
  • Vicia L.
  • Zinnia L.

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

EU and EPPO Listing


Actions Indicated

  • show / hide


No current Actions Indicated

General Comments

Regulated pest already subject to review at the EU level (2013). Regularly intercepted in the trade.

Risk Records for this Pest