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UK Risk Register Details for Thrips imaginis

Pest has been archived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 The information on this pest was correct as of 14/08/2020, but is no longer actively maintained.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 14/08/2020

Common Names

  • apple blossom thrips
  • plague thrips

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest is introduced

Pathway Assessed for Entry to UK

  • show / hide
  • Cut flowers or branches

Common Pathways

  • show / hide
  • Cut flowers or branches

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 2
Spread [1 - 5] 2
Impact [1 - 5] 2
Value at Risk [1 - 5] 5
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 20

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] 5
Likelihood x Impact [1 - 25] 4
UK Relative Risk Rating [1 - 125] 20

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
Oceania Present
Australia Present (Widespread)
Fiji Present
New Caledonia Present
New Zealand Present
Papua New Guinea Present

Type of Pest

  • Insect (Thysanoptera)

Host or Industry at Risk

  • show / hide

Orchard crops, Rosaceae

Major Hosts

  • Acacia Miller
  • Allium cepa L.
  • Brassica napus ssp. napus L.
  • Dianthus caryophyllus L.
  • Echium L.
  • Eucalyptus L'Herit.
  • Felicia Cass.
  • Fragaria ananassa (F. x ananassa) Duch.
  • Gerbera jamesonii H.Bolus Ex Hook.F.
  • Gramineae Adans., Nom. Cons.
  • Grevillea R.Br.
  • Hakea Schrad.
  • Hymenosporum R.Br. Ex F.V.Muell.
  • Solanum lycopersicum L.
  • Malus domestica Borkhausen
  • Medicago sativa L.
  • Oxalis L.
  • Pisum sativum Linnaeus
  • Prunus domestica ssp. domestica L.
  • Prunus pensylvanica L.F.
  • Pyrus pyraster Burgsd.
  • Rosa L.
  • Rubus L.
  • Tagetes erecta L.
  • Trifolium repens L.
  • Viburnum L.
  • Vitis vinifera L.
  • Westringia Sm.
  • Citrus
  • Gossypium hirsutum

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

UK (1997)

Regulation and EPPO listing

  • show / hide

Not currently listed

Actions Indicated

  • show / hide


No statutory action

General Comments

Polyphagous thrips, widespread in Australia, unlikely to be economically damaging if introduced to UK.

Risk Records for this Pest