Department for Environment, Food & Rural Affairs

Department
for Environment
Food & Rural Affairs

UK Risk Register Details for Aleurodicus dispersus

This record was last updated on 06/07/2021

Common Names

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Spiralling white fly

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)

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]	1
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]		3
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]	1
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]		3
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]		3
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]	1
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]	1
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]			4
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]	3
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	12

Current Mitigations

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Key mitigation for 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]	1
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]		3
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]	1
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]		3
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]		3
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]	1
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]	1
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]			4
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]	3
UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information UK Relative Risk Rating [1 - 125]	12

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
	Portugal	Present	Madeira
	Spain	Present	Canary Islands
	United Kingdom	Absent
North America
	United States	Present
South America
	Brazil	Present
	Colombia	Present
	Ecuador	Present
	Peru	Present
	Venezuela	Present
Oceania
	Australia	Present
	Fiji	Present
	French Polynesia	Present
	Kiribati	Present
	Marshall Islands	Present
	Micronesia	Present
	Nauru	Present
	New Caledonia	Present
	Palau	Present
	Papua New Guinea	Present
	Samoa	Present
	Solomon Islands	Present
	Tonga	Present
Africa
	Benin	Present
	Cameroon	Present
	Congo (Brazzaville)	Present
	Congo (Democratic Rep.)	Present
	Ghana	Present
	Kenya	Present
	Mauritius	Present
	Mozambique	Present
	Nigeria	Present
	Sao Tome and Principe	Present
	Senegal	Present
	Togo	Present
Asia
	Bangladesh	Present
	Brunei	Present
	China	Present
	India	Present
	Indonesia	Present
	Laos	Present
	Malaysia	Present
	Maldives	Present
	Myanmar	Present
	Philippines	Present
	Singapore	Present
	Sri Lanka	Present
	Taiwan	Present
	Thailand	Present
	Vietnam	Present
Central America
	Bahamas	Present
	Barbados	Present
	Belize	Present
	Cayman Islands	Present
	Costa Rica	Present
	Cuba	Present
	Dominica	Present
	Dominican Republic	Present
	Guadeloupe	Present
	Guatemala	Present
	Haiti	Present
	Martinique	Present
	Nicaragua	Present
	Panama	Present
	Puerto Rico	Present

Type of Pest

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Insect (Hemiptera)

Host or Industry at Risk

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Total protected cultivation

Major Hosts

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Acalypha hispida N. Burman
Ageratum conyzoides Linnaeus
Annona squamosa L.
Cajanus cajan (L.) Millsp./Huth
Calophyllum brasiliense Cambess.
Capsicum L.
Capsicum annuum L.
Capsicum frutescens L.
Coccoloba uvifera (L.) L./Jacq.
Cocos nucifera L.
Euphorbia pulcherrima Willd. ex Klotzsch
Ficus religiosa L.
Glycine max (L.) Merr.
Hibiscus L.
Inga ingoides (Rich.) Willd./L./Mart.
Laguncularia racemosa Gaertn.F.
Solanum lycopersicum L.
Mangifera indica L.
Manihot esculenta Crantz
Musa x paradisiaca Linnaeus
Persea americana Mill.
Phaseolus lunatus L.
Prunus L.
Psidium guajava L.
Solanum L.
Solanum melongena L.
Terminalia catappa L.
Citrus
Crinum L.

Threats to Protected Cultivation

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Only protected crops

Forest Tree Pests and Pathogens

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Further Information

PRA

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PRA Availability

UK (1997)

Regulation and EPPO listing

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Not currently listed

Actions Indicated

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Action

No current Actions Indicated

General Comments

Serious tropical whitefly pest present in some European island archipelagos but no evidence of being a pest in protected cultivation.

Risk Records for this Pest

Aleurodicus dispersus [SELECTED]

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Department for Environment, Food & Rural Affairs

Departmentfor EnvironmentFood & Rural Affairs

UK Risk Register Details for Aleurodicus dispersus

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

Risk Records for this Pest

Department
for Environment
Food & Rural Affairs