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UK Risk Register Details for Homona magnanima

This record was last updated on 10/03/2025

Common Names

  • Tea, tortrix (Japan)
  • Tea, tortrix, oriental

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Cut flowers or branches

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 4
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 18

Current Mitigations

  • show / hide

Key mitigation for pest

Northern Ireland provisional quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 4
Impact [1 - 5] 3
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 18

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
United Kingdom Absent
Asia
China Present
Japan Present
North Korea Present
South Korea Present
Taiwan Present
Vietnam Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Camellia

Major Hosts

  • Camellia sinensis (L.) O.Kuntze
  • Dendranthema indicum (Linnaeus) Desmoulins
  • Gardenia jasminoides Ellis
  • Ginkgo biloba L.
  • Malus domestica Borkhausen
  • Olea europaea Linnaeus
  • Ornamental plants
  • Persea americana Mill.
  • Podocarpus macrophyllus (Thunb.) D.Don
  • Prunus L.
  • Pyrus L.
  • Rosa L.
  • Solanum melongena L.
  • Vitis vinifera L.
  • Plants (general)

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Northern Ireland provisional quarantine pest

Actions Indicated

  • show / hide

Action

Statutory action

General Comments

East Asian moth pest which primarily feeds on tea (Camellia sinensis), though it has been recorded from many hosts in several plant families. Recently intercepted on traded plant material in Germany, though no interceptions have been recorded in the UK.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Impact on UK hosts

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest