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UK Risk Register Details for Toumeyella parvicornis

This record was last updated on 01/12/2025

Common Names

  • Pine tortoise scale

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

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 60

Current Mitigations

  • show / hide

Key mitigation for pest

Prohibition of key pathway. Regulated quarantine pest (Great Britain)

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country / Territory Status Notes
Europe
United Kingdom Absent
Italy Present Present, only in some parts of the Member State concerned, under containment, in case eradication is impossible.
Albania Present
France Present Present, only in some parts of the Member State concerned.
North America
Canada Present
Mexico Present
United States Present
Central America
Puerto Rico Present
Turks and Caicos Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Pinus

Major Hosts

  • Pinus L.
  • Pinus banksiana Lamb.
  • Pinus caribaea Morelet
  • Pinus contorta Dougl. Ex Loud.
  • Pinus echinata Mill.
  • Pinus elliottii Engelm.
  • Pinus glabra Walt.
  • Pinus mugo Turra
  • Pinus palustris Mill.
  • Pinus pinea L.
  • Pinus sylvestris Linnaeus
  • Pinus taeda L.
  • Pinus virginiana Mill.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Coniferous

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (Great Britain). EPPO Alert.

Actions Indicated

  • show / hide

Action

Statutory action against findings. Targeted awareness raising.

General Comments

Scale insect of pine trees native to North America, introduced to Italy. Close attention is being paid to reports of spread in Italy. Nurseries introducing ornamental pine plants or Christmas trees will wish to be aware, to monitor for its presence.

Risk Records for this Pest