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UK Risk Register Details for Xiphinema index

Please note: there are high levels of uncertainty associated with the risk scores for this pest.

This record was last updated on 08/08/2022

Common Names

  • Californian dagger nematode
  • Dagger nematode
  • Fan-leaf virus nematode

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

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] 5
Spread [1 - 5] 1
Impact [1 - 5] 3
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 15
UK Relative Risk Rating [1 - 125] 30

Current Mitigations

  • show / hide

Key mitigation for pest

Provisional quarantine pest (Great Britain); regulated non quarantine pest (Northern Ireland)



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 5
Spread [1 - 5] 1
Impact [1 - 5] 3
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 15
UK Relative Risk Rating [1 - 125] 30

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Albania Present
Austria Present
Bulgaria Present
Croatia Present
Cyprus Present
Czech Republic Present
France Present
Germany Present
Greece Present
Hungary Present
Italy Present
Malta Present
Moldova Present
Poland Present
Portugal Present
Romania Present
Russia Present
Serbia Present
Slovakia Present
Slovenia Present
Spain Present
Switzerland Present
Türkiye Present
United Kingdom Absent
North America
United States Present
South America
Argentina Present
Brazil Present
Chile Present
Peru Present
Australia Present
New Zealand Present
Algeria Present
South Africa Present
Tunisia Present
Armenia Present
Azerbaijan Present
Georgia Present
India Present
Pakistan Present
Tajikistan Present
Turkmenistan Present
Uzbekistan Present
Iran Present
Iraq Present
Israel Present
Lebanon Present

Type of Pest

  • Nematode (Dorylaimida)

Host or Industry at Risk

  • show / hide


Major Hosts

  • Betula L.
  • Chenopodium L.
  • Cupressus L.
  • Ficus carica L.
  • Gomphrena globosa L.
  • Morus L.
  • Nicotiana rustica L.
  • Pinus L.
  • Pinus halepensis Mill.
  • Pistacia vera L.
  • Populus L.
  • Rosa L.
  • Solanum nigrum L.
  • Thuja L.
  • Urtica urens L.
  • Vitis arizonica Engelm.
  • Vitis candicans Engelm.
  • Vitis rupestris Scheele
  • Vitis vinifera L.
  • Fagus sylvatica L.
  • Citrus
  • Plants (general)

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved & Coniferous

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Provisional quarantine pest (Great Britain); regulated non quarantine pest (Northern Ireland)

Actions Indicated

  • show / hide


Statutory action on findings in Great Britain, statutory action in line with legislation in Northern Ireland

General Comments

Polyphagous nematode, with a preferred host of Vitis. It is distributed in many parts of the world, including Europe, but is not known to be present in the UK. A PRA will help to better establish the risk to the UK.

Further Information


  • show / hide

Key uncertainty for pest

Rapid addition via a workshop. Some areas of assessment may require more research


Current distribution






UK distribution

Risk Records for this Pest