UK Risk Register Details for Entoleuca mammata

This record was last updated on 08/01/2021

Common Names

  • Canker of aspen
  • Canker of poplar
  • Hypoxylon canker of poplar
  • Poplar canker

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

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] 3
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 12
UK Relative Risk Rating [1 - 125] 36

Current Mitigations

  • show / hide

Key mitigation for pest

Regulated pest free area pest (Northern Ireland)



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 3
Impact [1 - 5] 4
Value at Risk [1 - 5] 3
Likelihood x Impact [1 - 25] 8
UK Relative Risk Rating [1 - 125] 24

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
United Kingdom Present (Limited)
Ukraine Present
Switzerland Present
Sweden Present
Slovakia Present
Serbia Present
Russia Present (Limited)
Netherlands Present
Italy Present (Limited)
Germany Present
France Present (Limited)
Czech Republic Present (Limited)
Andorra Present
North America
United States Present (Limited)
Canada Present (Widespread)
Oceania Present
Australia Present

Type of Pest

  • Fungus

Host or Industry at Risk

  • show / hide


Major Hosts

  • Populus L.
  • Populus grandidentata Michx.
  • Populus tremula L.
  • Populus tremuloides Michx.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

  • Broadleaved

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Regulated pest free area pest (Northern Ireland)

Actions Indicated

  • show / hide


Statutory action in line with legislation. Research into resistant varieties of host may be beneficial.

General Comments

Fungus present in parts of the UK. Northern Ireland has regulations which mitigates against risk of entry to that country.

Risk Records for this Pest