Our use of Cookies

This site uses only cookiesstrictly necessaryto ensure the site works correctly.

Please read about how we use cookies.

Hide this message

Strictly necessary and non-essential cookies

Accept all cookies

Accept necessary cookies only

Set Cookie Preferences

By clicking accept all cookies, you agree to our use of cookies and to our cookie policy.

We use third-party cookies on this site.

You have accepted necessary cookies only

You can change your cookie settings at any time

Hide this message

UK Risk Register Details for Elasmopalpus lignosellus

This record was last updated on 24/05/2021

Common Names

  • Lesser cornstalk borer

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Fruits or vegetables

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Cut flowers or branches
  • Fruits or vegetables
  • Hitchhiking
  • Cut Bamboo Canes
  • packing cases
  • stored products

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 5
Impact [1 - 5] 1
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 2
UK Relative Risk Rating [1 - 125] 10

Current Mitigations

  • show / hide

Key mitigation for pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 5
Impact [1 - 5] 1
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 2
UK Relative Risk Rating [1 - 125] 10

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
North America
Mexico Present
United States Present
South America
Argentina Present
Bolivia Present
Brazil Present
Chile Present
Colombia Present
French Guiana Present
Guyana Present
Paraguay Present
Peru Present
Uruguay Present
Venezuela Present
Central America
Barbados Present
Bermuda Present
Costa Rica Present
Cuba Present
El Salvador Present
Guatemala Present
Jamaica Present
Nicaragua Present
Panama Present
Puerto Rico Present
Trinidad and Tobago Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

cereal, legume and tree seedling crops

Major Hosts

  • Alopecurus pratensis L.
  • Arachis hypogaea L.
  • Asparagus officinalis L.
  • Avena sativa L.
  • Beta vulgaris L.
  • Brassica napus ssp. napus L.
  • Brassica oleracea L.
  • Brassica rapa ssp. rapa L.
  • Capsicum annuum L.
  • Capsicum frutescens L.
  • Cornus florida L.
  • Cucumis melo L.
  • Cyperus esculentus L.
  • Echinochloa crus-galli (L.) P.Beauv.
  • Euchlaena mexicana Schrad.
  • Fragaria ananassa (F. x ananassa) Duch.
  • Glycine max (L.) Merr.
  • Gossypium L.
  • Hordeum vulgare L. em. Lam.
  • Juniperus silicicola (Small) Bailey
  • Linum usitatissimum L.
  • Solanum lycopersicum L.
  • Nyssa sylvatica Marshall
  • Oryza sativa L.
  • Phaseolus L.
  • Pinus L.
  • Pisum sativum Linnaeus
  • Platanus occidentalis L.
  • Raphanus sativus Linnaeus
  • Robinia pseudoacacia L.
  • Saccharum officinarum L.
  • Solanum tuberosum L.
  • Sorghum vulgare Pers.
  • Triticum aestivum L.
  • Vicia faba L.
  • Vigna Savi
  • Zea mays L.
  • Taxodium distichum (L.) Rich

Threats to Protected Cultivation

  • Both protected crops and outdoor production

Forest Tree Pests and Pathogens

  • Broadleaved & Coniferous

Further Information

PRA Availability

UK (2021)

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide


No statutory action

General Comments

Serious pest of cereal and legume crops in the Americas. The UK PRA concluded that this pest is unlikely to establish in the UK, but if it were to establish, the impacts would be very low.

Further Information


  • show / hide

Key uncertainty for pest

Northerly limit of breeding population and impact on wild hosts


Current distribution






UK distribution

Risk Records for this Pest