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UK Risk Register Details for Bemisia tabaci non-European populations

This record was last updated on 11/07/2022

Common Names

  • Cassava whitefly
  • Cotton whitefly
  • Sweet potato whitefly
  • Tobacco whitefly

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)
  • Fruits or vegetables

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 5
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 20
UK Relative Risk Rating [1 - 125] 100

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 5
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 10
UK Relative Risk Rating [1 - 125] 50

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
North America
Canada Present
Mexico Present
United States Present
South America
Argentina Present
Bolivia Present
Brazil Present
Colombia Present
French Guiana Present
Guyana Present
Paraguay Present
Peru Present
Uruguay Present
Venezuela Present
Australia Present
Fiji Present
French Polynesia Present
Kiribati Present
Marshall Islands Present
Micronesia Present
Nauru Present
New Caledonia Present
New Zealand Present
Palau Present
Papua New Guinea Present
Samoa Present
Solomon Islands Present
Tonga Present
Tuvalu Present
Vanuatu Present
Algeria Present
Angola Present
Benin Present
Burkina Faso Present
Cameroon Present
Cabo Verde Present
Central African Republic Present
Chad Present
Congo (Brazzaville) Present
Congo (Democratic Rep.) Present
Cote d'Ivoire Present
Egypt Present
Equatorial Guinea Present
Eritrea Present
Ethiopia Present
Gambia Present
Ghana Present
Guinea Present
Kenya Present
Libya Present
Madagascar Present
Malawi Present
Mauritius Present
Mayotte Present
Morocco Present
Mozambique Present
Nigeria Present
Reunion Present
Rwanda Present
Senegal Present
Seychelles Present
Sierra Leone Present
Somalia Present
South Africa Present
Sudan Present
Tanzania Present
Togo Present
Tunisia Present
Uganda Present
Zimbabwe Present
Afghanistan Present
Bahrain Present
Bangladesh Present
Brunei Present
Cambodia Present
China Present
Georgia Present
India Present
Indonesia Present
Iran Present
Iraq Present
Israel Present
Japan Present
Jordan Present
Kuwait Present
Laos Present
Lebanon Present
Malaysia Present
Maldives Present
Myanmar Present
Nepal Present
Oman Present
Pakistan Present
Philippines Present
Russia Present
Saudi Arabia Present
Singapore Present
South Korea Present
Sri Lanka Present
Syria Present
Taiwan Present
Tajikistan Present
Thailand Present
Turkmenistan Present
United Arab Emirates Present
Vietnam Present
Yemen Present
Central America
Antigua and Barbuda Present
Bahamas Present
Barbados Present
Belize Present
Bermuda Present
Costa Rica Present
Cuba Present
Dominica Present
Dominican Republic Present
El Salvador Present
Grenada Present
Guadeloupe Present
Guatemala Present
Haiti Present
Honduras Present
Jamaica Present
Martinique Present
Nicaragua Present
Panama Present
Puerto Rico Present
Saint Kitts and Nevis Present
Saint Lucia Present
Trinidad and Tobago Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Total protected cultivation

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Ajuga L.
  • Arachis hypogaea L.
  • Begonia L.
  • Borago officinalis L.
  • Cajanus cajan (L.) Millsp./Huth
  • Capsicum annuum L.
  • Cucumis sativus L.
  • Cucurbita pepo L.
  • Cucurbitaceae
  • Dipladenia A.Dc.
  • Euphorbia pulcherrima Willd. ex Klotzsch
  • Ficus L.
  • Gerbera jamesonii H.Bolus Ex Hook.F.
  • Glycine max (L.) Merr.
  • Gossypium L.
  • Hibiscus L.
  • Ipomoea batatas (L.) Poir./Lam.
  • Lactuca sativa L.
  • Lavandula stricta Del.
  • Solanum lycopersicum L.
  • Majorana hortensis Moench
  • Mandevilla Lindl.
  • Manihot esculenta Crantz
  • Melissa officinalis L.
  • Mentha L.
  • Nerium oleander L.
  • Nicotiana Linnaeus
  • Nicotiana tabacum L.
  • Ocimum basilicum L.
  • Phaseolus L.
  • Phaseolus vulgaris L.
  • Piper nigrum L.
  • Salvia L.
  • Salvia officinalis L.
  • Sinningia Nees
  • Sinningia speciosa (Lodd.) Hiern
  • Solanum L.
  • Solanum melongena L.
  • Tagetes erecta L.
  • Thymus serpyllum L. em. Mill.
  • Crossandra
  • Euphorbiaceae (family)
  • Malvaceae (family)
  • Solanaceae (family)
  • Asteraceae (family)
  • Brassicaceae (family)
  • Convolvulaceae (family)
  • Fabaceae (family)
  • Gossypium hirsutum

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

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. Need to update regulation to strengthen measures to inhibit introduction to UK glasshouses.

General Comments

Non-European populations of Bemisia tabaci pose an additional risk to European populations due to the potential for introducing non-European viruses.