UK Risk Register Details for Xylella taiwanensis

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

Scenario and Pathways

Scenario for Risk Register

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  • Pest is introduced

Pathway Assessed for Entry to UK

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  • Plants for planting (except seeds bulbs and tubers)

Common Pathways

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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] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 45

Current Mitigations

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Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

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
Asia
Taiwan Present

Type of Pest

  • Bacterium

Host or Industry at Risk

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Pyrus, perhaps broadleafed trees

Major Hosts

  • Pyrus pyrifolia (Burm.F.) Nakai

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

Not currently listed

Actions Indicated

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Action

Statutory action against findings

General Comments

New species of Xylella described in 2016 and recorded in Taiwan, where it affects Asian pear. A Europe-wide PRA would help to better assess the level of risk.

Further Information

Uncertainty

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Key uncertainty for pest

This is a recently described species about which little is known.

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause

Risk Records for this Pest