UK Risk Register Details for Acleris nivisellana

Please note: there are high levels of uncertainty associated with the risk scores for this pest.

This record was last updated on 15/06/2020

Common Names

  • apple leaf twister

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

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest and prohibtion of key pathways

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 2
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 16

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country Status Notes
Europe
United Kingdom Absent
North America
Canada Present
United States Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Rosaceae

Major Hosts

  • Crataegus L.
  • Malus pumila Mill.
  • Physocarpus malvaceus (Greene) O.Kuntze/A.Nels.
  • Prunus pensylvanica L.F.
  • Sorbus L.
  • Sorbus scopulina Greene

Threats to Protected Cultivation

  • N/A

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (as Acleris spp. (non-European))

Actions Indicated

  • show / hide

Action

Statutory action against findings.

General Comments

North American moth pest which feeds on the leaves of various plants in the family Rosaceae. Likelihood of entry on the main pathways is mitigated by current regulations prohibiting imports of the host.

Further Information

Uncertainty

  • show / hide

Key uncertainty for pest

Rapid addition via a workshop. Some areas of assessment may require more research.

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest