UK Risk Register Details for Aleurocanthus spiniferus

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
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] 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 Status Notes
United Kingdom Absent
Greece Present (Widespread)
Croatia Present
Italy Present (Widespread)
Montenegro Present (Widespread)
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)
Swaziland Present (Widespread)
Tanzania Present (Widespread)
Uganda Present (Widespread)
South Africa Present (Widespread)
Bangladesh Present (Widespread)
Brunei Present (Widespread)
Bhutan Present (Widespread)
China Present (Widespread)
Indonesia Present (Widespread)
India Present (Widespread)
Iran Present (Widespread)
Japan Present (Widespread)
Cambodia Present (Widespread)
South Korea Present (Widespread)
Laos Present (Widespread)
Sri Lanka Present (Widespread)
Malaysia Present (Widespread)
Philippines Present (Widespread)
Pakistan Present (Widespread)
Thailand Present (Widespread)
Taiwan 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 ssp. 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

Climate - Cause

Current distribution - Cause

Hosts - Cause

Impact - Cause

Pathways - Cause

Regulation - Cause

Taxonomy - Cause

UK distribution - Cause

Risk Records for this Pest