UK Risk Register Details for Callopistria floridensis

Pest has been archived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 The information on this pest was correct as of 01/06/2020, but is no longer actively maintained.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 01/06/2020

Common Names

  • Fern caterpillar, Florida
  • Florida fern caterpillar
  • Florida Fern Moth

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)

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] 2
Impact [1 - 5] 2
Value at Risk [1 - 5] 1
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 6

Current Mitigations

  • show / hide

Key mitigation for pest



Industry Scheme

Contingency Plan



Mitigated Risks

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

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country Status Notes
United Kingdom Absent
North America
Mexico Present
United States Present
South America
Colombia Present
Central America
Puerto Rico Present

Type of Pest

  • Insect (Lepidoptera)

Host or Industry at Risk

  • show / hide

Indoor ferns

Major Hosts

  • Adiantum L.
  • Asplenium nidus L.
  • Blechnum L.
  • Cyrtomium K.B.Presl
  • Cyrtomium falcatum (L.F.) K.B.Presl
  • Davallia Sm.
  • Nephrolepis exaltata (L.) Schott
  • Platycerium bifurcatum var. bifurcatum (Cav.) C.Chr.
  • Polypodium L.
  • Polystichum adiantiforme (G.Forst.) J.Sm.
  • Pteris L.
  • Smilax rotundifolia L.
  • Thelypteris Schmidel
  • Woodwardia virginica (L.) Sm.
  • Fern (unspecified)
  • Adiantum aleuticum (Rupr.) C.A.Paris

Threats to Protected Cultivation

  • Only protected crops

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

Regulation and EPPO listing

  • show / hide

Former EPPO Alert

Actions Indicated

  • show / hide


Statutory action against interceptions

General Comments

Moth pest of ferns, present in the Americas. Unlikely to pose a significant threat to UK plant health. Statutory action would, however, be taken against interceptions, on a precautionary basis.