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UK Risk Register Details for Aleurocanthus spiniferus

This record was last updated on 02/11/2023

Common Names

  • Citrus, mealywing
  • Orange spiny whitefly
  • Spiny blackfly
  • Whitefly, citrus spiny
  • Whitefly, orange spiny

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
  • Fruits or vegetables
  • Stored plant products
  • Hitchhiking

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 3
Impact [1 - 5] 2
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

Regulated quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

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

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
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)
Australia Present (Widespread)
Micronesia Present (Widespread)
Papua New Guinea Present (Widespread)
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)
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

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

pears, prunus fruit

Major Hosts

  • 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

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest. EPPO A2

Actions Indicated

  • show / hide


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.

Further Information


  • show / hide

Key uncertainty for pest

Climatic suitability of the UK


Current distribution






UK distribution

Risk Records for this Pest