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UK Risk Register Details for Chrysodeixis eriosoma

Pest has been archived

This pest has been assessed for the Risk Register and is considered to pose a low risk to the UK. The information on this pest was correct as of 16/07/2020, but is no longer actively maintained. It will only be updated if new information is received which indicates the potential for a significant increase in risk to the UK.

This record was last updated on 16/07/2020

Common Names

  • Green semi-looper

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)
  • Cut flowers or branches

Common Pathways

  • show / hide
  • Plants for planting (except seeds bulbs and tubers)
  • Cut flowers or branches
  • Fruits or vegetables

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 5
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 45

Current Mitigations

  • show / hide

Key mitigation for pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 5
Impact [1 - 5] 3
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 9
UK Relative Risk Rating [1 - 125] 45

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
North America
United States Present (Limited) Hawaii
Australia Present
New Zealand Present
Fiji Present
Papua New Guinea Present
Tonga Present
Brunei Present
Cambodia Present
China Present
India Present
Indonesia Present
Israel Present
Japan Present
Malaysia Present
Myanmar Present
Philippines Present
Russia Present
South Korea Present
Sri Lanka Present
Thailand Present
Turkmenistan Present
Vietnam Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Total outdoor production

Major Hosts

  • Abelmoschus esculentus (L.) Moench
  • Armoracia lapathifolia Gilib. Ex Usteri
  • Aster L.
  • Beta vulgaris L.
  • Borago officinalis L.
  • Brassica L.
  • Brassica oleracea L.
  • Cajanus cajan (L.) Millsp./Huth
  • Capsicum annuum L.
  • Chrysanthemum L.
  • Cicer arietinum L.
  • Citrullus lanatus (Thunb.) Matsum. & Nakai
  • Coleus Lour.
  • Cucumis melo L.
  • Cucumis sativus L.
  • Cucurbita pepo L.
  • Dahlia hybrids
  • Dahlia pinnata Cav.
  • Chrysanthemum x morifolium Ramat.
  • Dianthus caryophyllus L.
  • Digitalis purpurea L.
  • Fatsia japonica (Thunb.) Decne. & Planch. Ex Murr.
  • Freesia hybrids
  • Geranium L.
  • Glycine max (L.) Merr.
  • Helianthus annuus L.
  • Lactuca sativa L.
  • Lilium L.
  • Solanum lycopersicum L.
  • Medicago sativa L.
  • Melissa officinalis L.
  • Mentha L.
  • Myosotidium hortensiana (Decne.) Baill.
  • Myosotis L.
  • Nicotiana tabacum L.
  • Ocimum basilicum L.
  • Passiflora edulis Sims
  • Pelargonium L'Herit. Ex Ait.
  • Phaseolus vulgaris L.
  • Pisum sativum Linnaeus
  • Raphanus sativus Linnaeus
  • Salvia L.
  • Solanum L.
  • Solanum tuberosum L.
  • Solenostemon scutellarioides (Linnaeus) Codd
  • Thymus vulgaris L.
  • Tibouchina Aubl.
  • Verbascum thapsus L.
  • Zea mays L.
  • Rheum x hybridum Murray

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (1997) , UK (2014)

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide


No statutory action against findings.

General Comments

Polyphagous moth pest which is morphologically identical to a pest already established in the UK in protected environments and being controlled by IPM. This pest is not expected to cause greater impacts than other species of Chrysodeixis already present in the UK.