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UK Risk Register Details for Xiphinema rivesi (non-European populations)

This record was last updated on 08/01/2021

Common Names

  • A dagger nematode

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced with the pathogen

Pathway Assessed for Entry to UK

  • show / hide
  • Plants for planting (with soil)

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Soil/growing medium

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 1
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 48

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest (non-European populations) and prohibition of key pathway



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 1
Impact [1 - 5] 3
Value at Risk [1 - 5] 4
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 24

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Europe See Notes This entry is for non-European populations. There is a separate entry for European.
United Kingdom Absent
North America
Canada Present
United States Present
South America
Argentina Present
Chile Present
Peru Present
Australia Present
Samoa Present
Tonga Present
Egypt Present
Iran Present
Pakistan Present

Type of Pest

  • Nematode (Dorylaimida)

Host or Industry at Risk

  • show / hide

Orchard crops

Major Hosts

  • Chenopodium quinoa Willd.
  • Malus domestica Borkhausen
  • Pelargonium L'Herit. Ex Ait.
  • Prunus avium ssp./var. avium L.
  • Prunus persica Batsch
  • Rubus L.
  • Vaccinium L.
  • Vitis vinifera L.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (2014)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest (non-European populations). EPPO A2

Actions Indicated

  • show / hide


Statutory action against findings in imports from outside Europe. Comply with existing certification scheme requirements.

General Comments

Polyphagous nematode pest which is also a virus vector. The UK has previously intercepted this pest in consignments from the US. Populations of this pest are present in a number of European countries, but it has not been detected in the UK. No evidence of significant damage seen elsewhere in Europe.