UK Risk Register Details for Bemisia tabaci European populations

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
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] 5
Spread [1 - 5] 3
Impact [1 - 5] 4
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

EU regulated pest: Protected Zone for UK



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 8
UK Relative Risk Rating [1 - 125] 40

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
Europe Present
Austria Present
Bosnia-Herzegovina Present
Belgium Present
Bulgaria Present
Switzerland Present
Cyprus Present
Czech Republic Present
Germany Present
Spain Present
Finland Present
France Present
United Kingdom Absent
Greece Present
Croatia Present
Hungary Present
Italy Present
Montenegro Present
Malta Present
Netherlands Present
Norway Present
Poland Present
Portugal Present
Russia Present
Sweden Present
Turkey Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Total protected cultivation

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Arachis hypogaea L.
  • Cajanus cajan (L.) Millsp./Huth
  • Capsicum annuum L.
  • Cucurbitaceae
  • Euphorbia pulcherrima Willd. ex Klotzsch
  • Gerbera jamesonii H.Bolus Ex Hook.F.
  • Glycine max (L.) Merr.
  • Gossypium L.
  • Hibiscus L.
  • Ipomoea batatas (L.) Poir./Lam.
  • Lactuca sativa L.
  • Majorana hortensis Moench
  • Manihot esculenta Crantz
  • Nicotiana Linnaeus
  • Phaseolus L.
  • Piper nigrum L.
  • Sinningia speciosa (Lodd.) Hiern
  • Solanum L.
  • Brassicaceae (family)
  • Fabaceae (family)

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

EU and EPPO Listing


Actions Indicated

  • show / hide


Need to update EU regulation (currently with AWG) to strengthen measures to inhibit introduction to UK glasshouses.

General Comments

The UK has a protected zone in place for this pest which helps to mitigate the risk of entry and establishment. An EFSA opinion is currently being discussed at the EU Annexes Working Group which recommends further strengthening of the regulation.