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UK Risk Register Details for Meloidogyne arenaria

This record was last updated on 08/08/2022

Common Names

  • Nematode, peanut root-knot
  • Peanut root-knot nematode
  • Root gall nematode
  • Root-knot nematode

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)
  • Soil/growing medium
  • 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] 2
Spread [1 - 5] 1
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 30

Current Mitigations

  • show / hide

Key mitigation for pest

Prohibition of key pathway and provisional quarantine pest (Great Britain); regulated non quarantine pest (Northern Ireland)



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 1
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



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
Montenegro Present
Switzerland Present
Spain Present
Netherlands Present
Poland Present
Portugal Present
Romania Present
Russia Present
Belgium Present
Bulgaria Present
France Present
Germany Present
Greece Present
Hungary Present
Iceland Present
Ukraine Present
Italy Present
Republic of North Macedonia Present
Moldova Present
United Kingdom Absent
North America
Mexico Present
United States Present
South America
Bolivia Present
Chile Present
Brazil Present
Venezuela Present
Uruguay Present
Suriname Present
Peru Present
Paraguay Present
Guyana Present
Ecuador Present
Colombia Present
Argentina Present
Fiji Present
Australia Present
Tuvalu Present
Solomon Islands Present
Samoa Present
Papua New Guinea Present
Zimbabwe Present
Uganda Present
Mauritius Present
Sao Tome and Principe Present
Sudan Present
Tanzania Present
Tunisia Present
South Africa Present
Senegal Present
Nigeria Present
Mozambique Present
Morocco Present
Malawi Present
Ghana Present
Egypt Present
Madagascar Present
Libya Present
Algeria Present
Liberia Present
Cote d'Ivoire Present
Gambia Present
Ethiopia Present
South Korea Present
Saudi Arabia Present
Philippines Present
Pakistan Present
Vietnam Present
Uzbekistan Present
Turkmenistan Present
Thailand Present
Tajikistan Present
Taiwan Present
Syria Present
Sri Lanka Present
Russia Present
North Korea Present
Nepal Present
Mongolia Present
Maldives Present
Malaysia Present
Lebanon Present
Jordan Present
Japan Present
Iran Present
Indonesia Present
India Present
China Present
Bangladesh Present
Azerbaijan Present
Armenia Present
Central America
Trinidad and Tobago Present
Puerto Rico Present
Martinique Present
Jamaica Present
Guadeloupe Present
El Salvador Present
Cuba Present
Costa Rica Present
Bermuda Present
Belize Present

Type of Pest

  • Nematode (Tylenchida)

Host or Industry at Risk

  • show / hide

Total protected cultivation

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Arachis hypogaea L.
  • Avena sativa L.
  • Capsicum frutescens var. baccatum L.
  • Citrullus lanatus (Thunb.) Matsum. & Nakai
  • Coffea arabica L.
  • Cucumis sativus L.
  • Cucurbita pepo L.
  • Daucus carota subsp. sativus
  • Digitalis purpurea L.
  • Ficus carica L.
  • Glycine max (L.) Merr.
  • Gossypium hirsutum var. hirsutum L.
  • Hordeum vulgare (spring barley) L.,
  • Ipomoea batatas (L.) Poir./Lam.
  • Solanum lycopersicum L.
  • Malus pumila var. paradisiaca Schneider
  • Medicago x varia Martius
  • Musa L.
  • Nicotiana tabacum L.
  • Olea europaea Linnaeus
  • Oryza sativa L.
  • Passiflora edulis fo. flavicarpa Sims Deg.
  • Phaseolus vulgaris ssp. vulgaris L.
  • Pisum sativum var. sativum Linnaeus
  • Prunus armeniaca L.
  • Prunus avium ssp./var. avium L.
  • Prunus cerasus L.
  • Prunus domestica ssp. domestica L.
  • Prunus dulcis (Mill.) D.A.Webb
  • Prunus persica Batsch
  • Prunus salicina Lindl.
  • Psidium guajava L.
  • Saccharum officinarum Ratoon L. :
  • Solanum nigrum L.
  • Solanum tuberosum L.
  • Trifolium pratense L.
  • Trifolium repens L.
  • Vigna unguiculata (Linnaeus) Walpers
  • Vitis vinifera L.
  • Zea mays L.

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

  • N/A

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 in Great Britain, statutory action in line with legislation in Northern Ireland

General Comments

Species of tropical/sub-tropical plant pathogenic root knot nematode absent from the UK, damaging to wide range of ornamental and commercial crops as well as soft fruits under glass.

Further Information


  • show / hide

Key uncertainty for pest

Distribution in Northern Europe & climatic suitability of the UK for overwintering.


Current distribution






UK distribution

Risk Records for this Pest