UK Risk Register Details for Pseudaulacaspis pentagona

This record was last updated on 25/04/2020

Common Names

  • Japanese fruit scale
  • Mulberry scale
  • west indian peach scale
  • West Indian scale
  • White peach scale
  • white plum scale
  • white scale

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

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] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated non quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 2
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 36

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
Europe Present
Bulgaria Present
Switzerland Present
Cyprus Present
Czech Republic Present
Germany Present
Spain Present
France Present
United Kingdom Present (Limited)
Greece Present
Croatia Present
Hungary Present
Italy Present
Montenegro Present
Macedonia Present
Malta Present
Netherlands Present
Portugal Present
Serbia Present
Russia Present
Slovenia Present
Slovakia Present
Turkey Present
Ukraine Present
North America Present
United States Present
South America Present
Argentina Present
Bolivia Present
Brazil Present
Colombia Present
Guyana Present
Peru Present
Suriname Present
Uruguay Present
Venezuela Present
Oceania Present
Australia Present
Micronesia Present
New Caledonia Present
Papua New Guinea Present
Palau Present
Solomon Islands Present
Tonga Present
Vanuatu Present
Wallis et Futuna Present
Samoa Present
Africa Present
Cape Verde Present
Egypt Present
Ghana Present
Comoros Present
Madagascar Present
Mauritius Present
Malawi Present
Reunion Present
Seychelles Present
Sao Tome and Principe Present
Tanzania Present
South Africa Present
Zimbabwe Present
Asia Present
Azerbaijan Present
Brunei Present
China Present
Georgia Present
Indonesia Present
India Present
Iraq Present
Iran Present
Japan Present
North Korea Present
South Korea Present
Sri Lanka Present
Maldives Present
Malaysia Present
Nepal Present
Philippines Present
Singapore Present
Syria Present
Taiwan Present
Vietnam Present
Central America
Antigua and Barbuda Present
Bermuda Present
Bahamas Present
Costa Rica Present
Cuba Present
Dominica Present
Dominican Republic Present
Guadeloupe Present
Honduras Present
Haiti Present
Jamaica Present
Saint Kitts and Nevis Present
Martinique Present
Panama Present
Puerto Rico Present
Trinidad and Tobago Present
Saint Vincent and the Grenadines Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Ornamental and fruit trees (Morus and Prunus)

Major Hosts

  • Cajanus cajan (L.) Millsp./Huth
  • Capsicum annuum L.
  • Carica papaya L.
  • Catalpa bignonioides Walt.
  • Catharanthus roseus (L.) G.Don
  • Celtis L.
  • Codiaeum variegatum (L.) A.Juss.
  • Euonymus L.
  • Ficus L.
  • Fraxinus L.
  • Hibiscus L.
  • Juglans regia L.
  • Magnolia L.
  • Malus Mill.
  • Manihot esculenta Crantz
  • Morus alba L.
  • Nerium oleander L.
  • Philadelphus L.
  • Prunus armeniaca L.
  • Prunus domestica ssp. domestica L.
  • Prunus dulcis var. dulcis (Mill.) D.A.Webb
  • Prunus persica Batsch
  • Prunus salicina Lindl.
  • Ribes L.
  • Solanum melongena L.
  • Sorbus L.
  • Syringa vulgaris L.
  • Vitis L.

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • N/A

Further Information

PRA Availability

UK (2007)

Regulation and EPPO listing

  • show / hide

Regulated non quarantine pest

Actions Indicated

  • show / hide


Statutory action against interceptions.

General Comments

Scale insect which in favourable conditions may kill trees. There have been a number of findings in the UK but some uncertainty about whether the pest is established.

Risk Records for this Pest