• Pest spreads to maximum extent

• Plants for planting (except seeds bulbs and tubers)

• Plants for planting (except seeds bulbs and tubers)
• Cut flowers or branches
• Fruits or vegetables
• leaves

× Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Close Likelihood [1 - 5]			3
× Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Close Spread [1 - 5]		2
× Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Close Impact [1 - 5]			3
× Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Close Value at Risk [1 - 5]				4
× Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Close Likelihood x Impact [1 - 25]	9
× UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information Close UK Relative Risk Rating [1 - 125]	36

Key mitigation for pest

Regulated non quarantine pest

Regulation

Surveillance

Industry Scheme

Contingency Plan

Awareness

Research

× Likelihood For "Pest is Introduced" the lowest value of Entry or Establishment, as both are required for a successful introduction. For "Pest Spreads to Maximum Extent" this is an expert judgement on the likelihood of this occurrence. See Guidance Document for more Information Close Likelihood [1 - 5]			3
× Spread The rate at which a pest can expand, by natural dispersal only, within an area. See Guidance Document for more Information Close Spread [1 - 5]		2
× Impact The highest value from economic, environmental or social impacts. See Guidance Document for more Information Close Impact [1 - 5]			3
× Value at Risk The value of the hosts or industries at risk from this pest in the UK. See Guidance Document for more Information Close Value at Risk [1 - 5]				4
× Likelihood x Impact The likelihood multiplied by the impact, which shows the risk to the sector. See Guidance Document for more Information Close Likelihood x Impact [1 - 25]	9
× UK Relative Risk Rating Likelihood x Impact x Value at Risk. See Guidance Document for more Information Close UK Relative Risk Rating [1 - 125]	36

Regulation

Deregulation

Management By Industry

Targeted Survey

PRA

Contingency Plan

Publicity

Research

Country / Territory			Status			Notes
Europe
	Switzerland		Present
	United Kingdom		Present (Limited)
	Spain		Present
	Türkiye		Present
	Bulgaria		Present
	Croatia		Present
	Czech Republic		Present
	France		Present
	Germany		Present
	Greece		Present
	Hungary		Present
	Italy		Present
	Malta		Present
	Netherlands		Present
	Portugal		Present
	Slovakia		Present
	Republic of North Macedonia		Present
	Montenegro		Present
	Russia		Present
	Serbia		Present
	Slovenia		Present
	Ukraine		Present
	Cyprus		Present
North America			Present
	United States		Present
South America			Present
	Argentina		Present
	Bolivia		Present
	Brazil		Present
	Colombia		Present
	Peru		Present
	Suriname		Present
	Uruguay		Present
	Venezuela		Present
	Guyana		Present
Oceania			Present
	Australia		Present
	Micronesia		Present
	New Caledonia		Present
	Palau		Present
	Papua New Guinea		Present
	Samoa		Present
	Solomon Islands		Present
	Tonga		Present
	Vanuatu		Present
	Wallis et Futuna		Present
Africa			Present
	Cabo Verde		Present
	Egypt		Present
	Ghana		Present
	Madagascar		Present
	Malawi		Present
	Mauritius		Present
	Reunion		Present
	Sao Tome and Principe		Present
	Seychelles		Present
	South Africa		Present
	Tanzania		Present
	Zimbabwe		Present
	Comoros		Present
Asia			Present
	Azerbaijan		Present
	Brunei		Present
	China		Present
	Georgia		Present
	India		Present
	Indonesia		Present
	Iran		Present
	Iraq		Present
	Japan		Present
	North Korea		Present
	South Korea		Present
	Malaysia		Present
	Maldives		Present
	Nepal		Present
	Philippines		Present
	Singapore		Present
	Sri Lanka		Present
	Syria		Present
	Taiwan		Present
	Vietnam		Present
Central America
	Bermuda		Present
	Antigua and Barbuda		Present
	Bahamas		Present
	Cuba		Present
	Costa Rica		Present
	Dominica		Present
	Dominican Republic		Present
	Guadeloupe		Present
	Haiti		Present
	Honduras		Present
	Jamaica		Present
	Martinique		Present
	Panama		Present
	Puerto Rico		Present
	Saint Kitts and Nevis		Present
	Saint Vincent and the Grenadines		Present
	Trinidad and Tobago		Present

• Insect (Hemiptera)

Ornamental and fruit trees (Morus and Prunus)

• Cajanus cajan (L.) Millsp./Huth
• Capsicum annuum L.
• Carica papaya L.
• Catalpa bignonioides Walt.
• Catharanthus roseus (L.) G.Don
• Celtis L.
• Codiaeum variegatum (L.) A.Juss.
• Euonymus L.
• Ficus L.
• Fraxinus L.
• Hibiscus L.
• Juglans regia L.
• Magnolia L.
• Malus Mill.
• Manihot esculenta Crantz
• Morus alba L.
• Nerium oleander L.
• Philadelphus L.
• Prunus armeniaca L.
• Prunus domestica ssp. domestica L.
• Prunus dulcis var. dulcis (Mill.) D.A.Webb
• Prunus persica Batsch
• Prunus salicina Lindl.
• Ribes L.
• Solanum melongena L.
• Sorbus L.
• Syringa vulgaris L.
• Vitis L.

• Both protected crops and outdoor production

• N/A

PRA Availability

UK (2007)

Regulated non quarantine pest

Action

Statutory action in line with legislation

General Comments

Scale insect which in favourable conditions may kill trees. There have been a number of findings in the UK but some uncertainty about whether the pest is established.

Key uncertainty for pest

Potential outdoor distribution in UK climate

Climate

Current distribution

Hosts

Impact

Pathways

Regulation

Taxonomy

UK distribution