UK Risk Register Details for Halyomorpha halys

This record was last updated on 25/10/2021

Common Names

  • brown marmorated stink bug
  • Yellow-Brown stink bug

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
This section is currently being developed as part of the next phase of the Risk Register.

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 2
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



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 4
Spread [1 - 5] 2
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



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
Albania Present
Austria Present
Belgium Present
Bosnia-Herzegovina Present
Bulgaria Present
Croatia Present
Czech Republic Present
France Present
Germany Present
Greece Present
Hungary Present
Italy Present
Liechtenstein Present
Malta Present
Poland Present
Romania Present
Russia Present
Serbia Present
Slovakia Present
Slovenia Present
Spain Present
Switzerland Present
Turkey Present
Ukraine Present
North America
Canada Present
United States Present
South America
Chile Present
China Present
Japan Present
Taiwan Present
Georgia Present
Kazakhstan Present
North Korea Present
South Korea Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Total outdoor production, broadleaved Trees

Major Hosts

  • Acer L.
  • Ailanthus altissima (Mill.) Swingle
  • Asparagus L.
  • Capsicum L.
  • Catalpa Scop.
  • Cercis canadensis L.
  • Cladrastis Raf.
  • Glycine max (L.) Merr.
  • Juglans nigra L.
  • Lycium halimifolium Mill.
  • Malus Mill.
  • Paulownia Sieb. & Zucc.
  • Phaseolus L.
  • Prunus avium ssp./var. avium L.
  • Prunus domestica ssp. domestica L.
  • Prunus persica Batsch
  • Pyrus communis L.
  • Salix L.
  • Vitis vinifera ssp. vinifera L.
  • Zea mays L.
  • Citrus

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

UK (2002)

Regulation and EPPO listing

  • show / hide

Former EPPO Alert

Actions Indicated

  • show / hide


No statutory action against findings. Management by industry.

General Comments

Brown marmorated stinkbug is a pest which is spreading in many parts of the world. Awareness needs to be maintained due to the risk of entry as a contaminating pest (also known as hitchhiker). Monitoring of the situation in countries where it is known to be present will continue.

Risk Records for this Pest