UK Risk Register Details for Parasaissetia nigra

Common Names

  • Black scale
  • Coffee scale, black
  • Nigra scale

Scenario and Pathways

Scenario for Risk Register

  • show / hide
  • Pest spreads to maximum extent

Pathway Assessed for Entry to UK

  • show / hide

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] 2
Spread [1 - 5] 2
Impact [1 - 5] 3
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

EU regulated pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

Mitigated Risks

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

Proposed Actions

Proposed Actions

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Distribution and Pest Details

Distribution

Country Status Notes
Europe
Spain Present
France Present
United Kingdom Present (Limited)
Portugal Present
North America See Notes 31 within North, Central and South America
South America See Notes 31 within North, Central and South America
Oceania (22) Present
Africa (33) Present
Asia (23) Present

Type of Pest

  • Insect (Hemiptera)

Host or Industry at Risk

  • show / hide

Botanical collections or specialists

Major Hosts

  • Agave sisalana Perrine
  • Ananas comosus (L.) Merr.
  • Andrographis paniculata (Burm.F.) Wall. Ex Nees
  • Annona L.
  • Aralia L.
  • Areca L.
  • Artocarpus J.R.& G.Forst.
  • Asparagus officinalis L.
  • Bambusa Schreb.
  • Cajanus cajan (L.) Millsp./Huth
  • Capsicum L.
  • Carica papaya L.
  • Cinnamomum Schaeffer
  • Cocos nucifera L.
  • Coffea L.
  • Colocasia esculenta var. esculenta (L.) Schott
  • Croton tiglium L.
  • Cymbidium Sw.
  • Elaeis guineensis Jacq.
  • Eugenia L.
  • Euphorbia L.
  • Ficus L.
  • Gossypium L.
  • Hedera L.
  • Hevea brasiliensis (Willd. Ex A.Juss.) Muell.Arg.
  • Hibiscus L.
  • Ipomoea L.
  • Jacaranda Juss.
  • Litchi chinensis Sonnerat
  • Mangifera indica L.
  • Manihot esculenta Crantz
  • Manilkara Adans.
  • Musa L.
  • Nerium L.
  • Nypa Steck
  • Passiflora L.
  • Persea americana Mill.
  • Piper methysticum G.Forst.
  • Plumeria L.
  • Psidium L.
  • Punica granatum L.
  • Santalum L.
  • Solanum L.
  • Syzygium Gaertn.
  • Terminalia L.
  • Vitis vinifera ssp. vinifera L.
  • Zingiber Boehm.
  • Citrus
  • Eucalyptus deglupta Blume
  • Warburgia salutaris (G.Bertol.) Chiov.

Threats to Protected Cultivation

Forest Tree Pests and Pathogens

Further Information

PRA Availability

PRA not available

EU and EPPO Listing

EC IIAII

Actions Indicated

  • show / hide

Action

Deregulation to reflect the fact this pest no longer meets the criteria for quarantine pest.

General Comments

Present at the Royal Botanic Gardens Kew for in excess of 100 years. Candidate for deregulation.

Risk Records for this Pest