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UK Risk Register Details for Ceroplastes sinensis

Pest has been archived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 The information on this pest was correct as of 14/07/2020, but is no longer actively maintained.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 14/07/2020

Common Names

  • Chinese wax scale
  • Hard wax scale

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)
  • Fruits or vegetables

Risk Ratings and Current Mitigations

Unmitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 1
Impact [1 - 5] 2
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 12

Current Mitigations

  • show / hide

Key mitigation for pest



Industry Scheme

Contingency Plan



Mitigated Risks

Likelihood [1 - 5] 3
Spread [1 - 5] 1
Impact [1 - 5] 2
Value at Risk [1 - 5] 2
Likelihood x Impact [1 - 25] 6
UK Relative Risk Rating [1 - 125] 12

Proposed Actions

Proposed Actions



Management By Industry

Targeted Survey


Contingency Plan



Distribution and Pest Details


Country / Territory Status Notes
United Kingdom Absent
Spain Present
Portugal Present
Russia Present
Turkey Present
Bulgaria Present
Croatia Present
Cyprus Present
France Present
Greece Present
Italy Present
Malta Present
North America
Mexico Present
United States Present
South America
Brazil Present
Chile Present
Australia Present
New Zealand Present
Solomon Islands Present
Benin Present
Cote d'Ivoire Present
Mozambique Present
Togo Present
Algeria Present
Egypt Present
Morocco Present
Tunisia Present
Azerbaijan Present
Tajikistan Present
Uzbekistan Present
India Present
Japan Present
Syria Present
Vietnam Present
China Present
Georgia Present
Indonesia Present
Iran Present
Philippines Present
Central America
Cayman Islands Present
Bermuda Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Botanical collections or specialists

Major Hosts

  • Aesculus hippocastanum L.
  • Annona L.
  • Arbutus unedo L.
  • Argyranthemum frutescens (Linnaeus) Schultz-Bipontinus
  • Avicennia L.
  • Baccharis L.
  • Buxus sempervirens var. sempervirens L.
  • Callistemon R.Br.
  • Camellia sinensis (L.) O.Kuntze
  • Cedrus deodara (D.Don) G.Don Ex Loud.
  • Chaenomeles speciosa (Sweet) Nakai
  • Cinnamomum Schaeffer
  • Coprosma J.R. & G.Forst.
  • Cotoneaster dammeri Schneid.
  • Dahlia pinnata Cav.
  • Diospyros kaki L.
  • Dodonaea Mill.
  • Eriobotrya japonica (Thunb.) Lindl.
  • Euonymus L.
  • Euphorbia pulcherrima Willd. ex Klotzsch
  • Ficus L.
  • Fuchsia L.
  • Grevillea R.Br.
  • Ilex aquifolium L.
  • Ilex crenata Thunb.
  • Ilex vomitoria Ait.
  • Juglans regia L.
  • Laurus nobilis L.
  • Mangifera indica L.
  • Melaleuca L.
  • Myoporum Banks & Soland. Ex G.Forst.
  • Myrtus communis L.
  • Protea L.(1771, Non 1753)
  • Prunus persica Batsch
  • Punica granatum L.
  • Pyrus L.
  • Pyrus communis L.
  • Rosa L.
  • Rosmarinus officinalis L.
  • Salvia splendens Sello Ex Nees/Ex Roem. & Schult.
  • Solanum L.
  • Spiraea L.
  • Syringa vulgaris L.
  • Syzygium Gaertn.
  • Vaccinium myrtillus L.
  • Veronica L.
  • Citrus
  • Libertia Sprengel
  • Actinidia deliciosa (A. Chev.) Liang & A.R. Ferg.

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

Not currently listed

Actions Indicated

  • show / hide


No statutory action against findings

General Comments

Polyphagous wax scale insect with a preference for woody hosts. Unlikely to establish outdoors in the UK, but botanical gardens and protected woody ornamental producers may wish to monitor for its presence.