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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Pest has been archived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 The information on this pest was correct as of 01/06/2020, but is no longer actively maintained.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 09/07/2021

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
  • Plants for planting (except seeds bulbs and tubers)

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 / Territory 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


No statutory action

General Comments

Moth pest of ferns, present in the Americas. Unlikely to pose a significant threat to UK plant health.