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UK Risk Register Details for Popillia japonica

This record was last updated on 02/09/2022

Common Names

  • Japanese beetle

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Hitchhiking

Common Pathways

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

Risk Ratings and Current Mitigations

Unmitigated Risks

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

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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

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
Italy Present (Limited) under eradication.
Germany Present (Unknown Distribution) The pest status of P. japonica in Germany has not yet been determined.
United Kingdom Absent
Switzerland Present (Limited) Present, under eradication, only in some part of the country, under containment in case eradication is impossible.
Portugal Present (Limited) Azores
North America
United States Present
Canada Present
Asia
India Unknown Reported from Kerala
Russia Present (Limited) Kunashir Island
Japan Present

Type of Pest

  • Insect (Coleoptera)

Host or Industry at Risk

  • show / hide

Broadleaved trees

Major Hosts

  • Acer L.
  • Aesculus L.
  • Asparagus officinalis L.
  • Betula L.
  • Castanea Mill.
  • Fragaria ananassa (F. x ananassa) Duch.
  • Glycine max (L.) Merr.
  • Gramineae Adans., Nom. Cons.
  • Juglans
  • Malus Mill.
  • Malus domestica Borkhausen
  • Medicago sativa L.
  • Platanus L.
  • Populus L.
  • Prunus L.
  • Prunus domestica ssp. domestica L.
  • Prunus persica Batsch
  • Rosa L.
  • Rosa Large-flowered bush hybrids
  • Rubus L.
  • Salix L.
  • Tilia L.
  • Tilia cordata Mill.
  • Trifolium L.
  • Ulmus L.
  • Vitis L.
  • Vitis vinifera L.
  • Zea mays L.
  • Rheum x hybridum Murray

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2015)

Regulation and EPPO listing

  • show / hide

Regulated quarantine pest, EPPO A2

Actions Indicated

  • show / hide

Action

Statutory action against findings. Awareness raising.

General Comments

Polyphagous beetle, causing extensive damage in US, with a significant outbreak confirmed in northern Italy in 2014. Already listed in legislation, but stakeholders may wish to monitor for possible presence. EPPO protocol has been developed which sets out measures needed in the event of an outbreak.

Risk Records for this Pest