UK Plant Health Risk Register

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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Plants for planting (except seeds bulbs and tubers)
Cut flowers or branches
Fruits or vegetables
Stored plant products
Hitchhiking

Risk Ratings and Current Mitigations

Unmitigated Risks

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Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Likelihood [1 - 5]			3
Entry The Likelihood of movement of the pest into the UK on a pathway and transfer of that pest to a suitable host. See Guidance Document for more Information Entry [1 - 5]				4
Establishment The likelihood of the pest surviving and perpetuating in the UK for the foreseeable future after it has entered. See Guidance Document for more Information Establishment [1 - 5]			3
Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Spread [1 - 5]			3
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]		2
Impact - Economic The predicted economic impacts of the pest in the UK. This includes direct effects on yield, quality and possible indirect effects such as trade implications. See Guidance Document for more Information Impact - Economic [1 - 5]		2
Impact - Environmental The proportion of the environmental value of the plant which is likely to be lost through the introduction of the pest. See Guidance Document for more Information Impact - Environmental [1 - 5]		2
Impact - Social The predicted social impacts of a pest in the UK, including effects on tourism, amenities and animal and human health. See Guidance Document for more Information Impact - Social [1 - 5]		2
Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Value at Risk [1 - 5]			3
Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Likelihood x Impact [1 - 25]	6
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	18

Current Mitigations

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Key mitigation for pest

Regulated quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Likelihood [1 - 5]			3
Entry The Likelihood of movement of the pest into the UK on a pathway and transfer of that pest to a suitable host. See Guidance Document for more Information Entry [1 - 5]				4
Establishment The likelihood of the pest surviving and perpetuating in the UK for the foreseeable future after it has entered. See Guidance Document for more Information Establishment [1 - 5]			3
Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Spread [1 - 5]			3
Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Impact [1 - 5]		2
Impact - Economic The predicted economic impacts of the pest in the UK. This includes direct effects on yield, quality and possible indirect effects such as trade implications. See Guidance Document for more Information Impact - Economic [1 - 5]		2
Impact - Environmental The proportion of the environmental value of the plant which is likely to be lost through the introduction of the pest. See Guidance Document for more Information Impact - Environmental [1 - 5]		2
Impact - Social The predicted social impacts of a pest in the UK, including effects on tourism, amenities and animal and human health. See Guidance Document for more Information Impact - Social [1 - 5]		2
Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Value at Risk [1 - 5]			3
Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Likelihood x Impact [1 - 25]	6
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	18

Proposed Actions

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Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

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Country / Territory		Status	Notes
Europe
	Albania	Present
	Croatia	Present
	Czech Republic	Absent	Pest eradicated.
	Belgium	Absent	Pest eradicated
	France	Present
	Greece	Present (Widespread)
	Italy	Present (Widespread)
	Montenegro	Present (Widespread)
	United Kingdom	Absent
North America
	United States	Present (Widespread)
Oceania
	Australia	Present (Widespread)
	Micronesia	Present (Widespread)
	Papua New Guinea	Present (Widespread)
Africa
	Kenya	Present (Widespread)
	Mauritius	Present (Widespread)
	Nigeria	Present (Widespread)
	Reunion	Present (Widespread)
	South Africa	Present (Widespread)
	[Kingdom of] eSwatini	Present (Widespread)
	Tanzania	Present (Widespread)
	Uganda	Present (Widespread)
Asia
	Bangladesh	Present (Widespread)
	Bhutan	Present (Widespread)
	Brunei	Present (Widespread)
	Cambodia	Present (Widespread)
	China	Present (Widespread)
	India	Present (Widespread)
	Indonesia	Present (Widespread)
	Iran	Present (Widespread)
	Japan	Present (Widespread)
	Laos	Present (Widespread)
	Malaysia	Present (Widespread)
	Pakistan	Present (Widespread)
	Philippines	Present (Widespread)
	South Korea	Present (Widespread)
	Sri Lanka	Present (Widespread)
	Taiwan	Present (Widespread)
	Thailand	Present (Widespread)
	Vietnam	Present (Widespread)
Central America
	Jamaica	Present (Widespread)

Type of Pest

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Insect (Hemiptera)

Host or Industry at Risk

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pears, prunus fruit

Major Hosts

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Citrofortunella microcarpa (Bunge) Wijnands
Citrus limon (Linnaeus) N.L.Burman
Citrus paradisi Macfadyen
Citrus reticulata Blanco (S. S.)
Citrus sinensis (Linnaeus) Osbeck
Diospyros kaki L.
Fortunella Swing.
Poncirus trifoliata (Linnaeus) Rafinesque
Psidium guajava L.
Pyrus pyraster Burgsd.
Rosa L.
Vitis vinifera L.
Citrus
Citroncirus

Threats to Protected Cultivation

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Both protected crops and outdoor production

Forest Tree Pests and Pathogens

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N/A

Further Information

PRA

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PRA Availability

PRA not available

Regulation and EPPO listing

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Regulated quarantine pest. EPPO A2

Actions Indicated

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Action

Statutory action against findings

General Comments

Polyphagous whitefly unlikely to pose a significant threat to UK plant health, but growers of host crops (e.g. citrus, Pyrus, Prunus, Rosa and Vitis) under protection may wish to be aware and monitor for its presence.

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Department for Environment, Food & Rural Affairs

Departmentfor EnvironmentFood & Rural Affairs

UK Risk Register Details for Aleurocanthus spiniferus

Common Names

Scenario and Pathways

Scenario for Risk Register

Pathway Assessed for Entry to UK

Common Pathways

Risk Ratings and Current Mitigations

Unmitigated Risks

Current Mitigations

Key mitigation for pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Type of Pest

Host or Industry at Risk

Major Hosts

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA

PRA Availability

Regulation and EPPO listing

Actions Indicated

Action

General Comments

Further Information

Uncertainty

Key uncertainty for pest

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution

Risk Records for this Pest

Department
for Environment
Food & Rural Affairs