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1.23Pest risk assessment conclusions

Key to (starting next page) Genus species ^EP pests for which policy already exists; the PRA in this analysis will be based on the risk ratings given in the previous assessments Genus species ^regionPRA area for which quarantine pests have been identified Likelihoods for entry, establishment and spread N negligible EL extremely low VL very low L low M moderate H high P[EES] overall probability of entry, establishment and spread Assessment of consequences from pest entry, establishment and spread PLH plant life or health OE other aspects of the environment EC eradication, control etc. DT domestic trade IT international trade ENC environmental and non-commercial A-G consequence impact scores are detailed in chapter 2.2.3 A Indiscernible at the local level B Minor significance at the at the local level C Significant at the local level D Significant at the district level E Significant at the regional level F Significant at the national level G Major significance at the national level URE unrestricted risk estimate. This is expressed on an ascending scale from negligible to extreme.

Table 4.12 – Summary of unrestricted risk estimates for pests of quarantine concern associated with Californian table grapes to Western Australia

Pest name	Likelihood of								Consequences							URE
	Entry				Establishment	Spread		P[EES]
	Importation	Distribution		Overall					Direct		Indirect				Overall
									PLH	OE	EC	DT	IT	ENC
Order Coleoptera
Harmonia axyridis ^EP	H	H	H		H		H	H	C	D	D	E	D	E	M	M
Order Hemiptera
Lygus hesperus ^EP	VL	M	VL		H		M	VL	E	B	D	C	C	B	M	VL
Lygus lineolaris ^EP
Parthenolecanium corni ^EP	M	L	L		H		M	L	D	B	D	C	C	B	L	VL
Pseudococcus calceolariae ^EP	L	M	L		H		H	L	D	A	D	D	D	A	L	VL
Order Lepidoptera
Marmara gulosa	M	H	M		H		M	L	D	B	D	D	C	B	L	VL
Order Diaporthales
Phomopsis viticola ^EP	L	VL	VL		H		M	VL	C	A	D	B	B	B	L	N
Viruses
Strawberry latent ringspot virus	M	VL	VL		VL		M	EL	E	A	D	D	D	B	M	N
Grapevine fanleaf virus ^EP	H	M	M		L		VL	VL	E	A	D	B	A	A	M	VL
Tomato ringspot virus ^EP	M	M	L		L		M	VL	E	A	D	C	C	B	M	VL
Viroids
Grapevine yellow speckle viroid-1 ^EP	H	L	L		L		L	VL	C	A	D	A	B	A	L	N
Grapevine yellow speckle viroid-2 ^EP
Hop stunt viroid	H	L	L		L		L	VL	C	A	D	A	C	A	L	N
Citrus exocortis viroid	H	L	L		L		M	VL	B	A	D	A	C	A	L	N