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Final policy review: Alternative risk management measures to import Lilium spp cut flowers from Taiwan


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1.12Remedial action(s) for non-compliance detected on-arrival in Australia


Where inspection lots are found to be non-compliant with requirements on-arrival in Australia, remedial action must be taken. The detection of live insects, disease symptoms or regulated articles will result in failure of the consignment. Remedial actions for failed consignments include methyl bromide fumigation if live insects are detected, and export or destruction if stem bulbils are detected, as required.

1.13Uncategorised pests


If an organism that has not been categorised is detected on Lilium spp. cut flowers during inspection, it will require assessment by the department to determine its quarantine status and if phytosanitary action is required. The detection of any pests of quarantine concern not already identified in the analysis may result in remedial action, as appropriate.

1.14Review of policy


The department may audit the phytosanitary procedures prior to trade commencing.

Australia reserves the right to review and amend the import policy if circumstances change. Australia is prepared to review the policy after a substantial volume of trade has occurred.

The department may review the import policy after the first year of trade.


Conclusion


The findings of this final policy review are based on a comprehensive analysis of relevant scientific literature. The Department of Agriculture considers that the risk management measures and operational system for the maintenance and verification of phytosanitary status proposed in this final policy review will provide an appropriate level of protection against the pests identified in the risk analysis.

Appendixes

Appendix A: Initiation and categorisation of pests associated with Lilium spp. cut flowers from Taiwan

Initiation identifies the pests which occur on Lilium spp. cut flowers, their status in Taiwan and Australia and their pathway association. In this assessment, pathway is defined as commercially grown Lilium spp. cut flowers that are free of bulbils.

Pest categorisation identifies the potential for pests to enter, establish, spread and cause economic consequences in Australia to determine if they qualify as quarantine pests.


Pest

Present in Taiwan

Present within Australia

Potential to be on pathway

Potential for establishment and spread

Potential for economic consequences5

Quarantine pest (Yes/No)

MOLLUSCA (slugs, snails)

Bradybaena similaris (Ferussac) [Eupulmonata : Bradybaenidae]

Yes (Wang and Lin 1997)

Yes (ABRS 2009)

Assessment not required










ARTHROPODS

ACARI (mites)

Rhizoglyphus echinopus (Fumouze & Robin)

[Sarcoptiformes]

[synonym R. hyacinthi (Diaz et al. 2000, ABRS 2009), R. callae Oudemans, R. za­chvatkini (Volgin) (Diaz et al. 2000, Klimov and Tolstikov 2011)]

bulb mite



No (Wang and Lin 1997, BAPHIQ 2011b, BAPHIQ 2012)6

Unresolved presence (ABRS 2009)7


Yes: Bulb mites attack roots and subterranean plant parts, they tunnel the stems at the ground level, causing them to lean or break (Diaz et al. 2000). They are occasionally collected on leaves and stems of infested Liliaceae (Latta 1939, Diaz et al. 2000).

Yes: Host plants are present in Australia. Should infested flowers be occasionally selected, cut flower refuse is likely to end up in municipal waste where it is buried, or in household compost, where it could be spread locally in infested plant debris.

No: Economic consequences for the introduction of this pest from cut flowers are minor. The most likely pathway for introduction of live mites that will induce economic loss is through importation of bulbs for planting or nursery stock of the many host species including onions, carrots and garlic, and ornamental bulbs including lilies, gladiolus and hyacinths (Diaz et al. 2000).

No

Rhizoglyphus robini Claparede [Sarcoptiformes]

bulb mite



Yes (Wang and Lin 1997, Liu 1998, Ho and Chen 2000, Fan et al. 2010, Klimov and Tolstikov 2011)

Yes (Fan and Zhang 2003, ABRS 2009, APPD 2011)

Assessment not required










Rhizoglyphus setosus Manson [Sarcoptiformes]

bulb mite



Yes (Wang and Lin 1997, Ho and Chen 2000, Chen et al. 2002, Capinera 2008, Klimov and Tolstikov 2011)

Yes (Fan and Zhang 2004)

Assessment not required










Rhizoglyphus tsutienensis Ho & Chen

[Sarcoptiformes]

(synonym Rhizoglyphus singularis Manson )

bulb mite



Yes (Ho and Chen 2000, Capinera 2008, Fan et al. 2010, Klimov and Tolstikov 2011, TaiBNET 2012)8


No (ABRS 2009)

No: Recorded as a pest of Lilium spp. bulb (Capinera 2008). First described by Ho and Chen (2000) from Tsutien in Taiwan.

Assessment not required







Schwiebea cuncta Ho

[Sarcoptiformes]



Yes (Ho 1993, Wang and Lin 1997, Fan et al. 2010, Klimov and Tolstikov 2011)

No (ABRS 2009)

No: recorded as pest of Lilium spp. bulb (Ho 1993). Also a common inhabitant of decaying wood (Wurst and Frank 1999).

Assessment not required







Schwiebea taiwanensis Ho [Sarcoptiformes]

Yes (Ho 1993, Wang and Lin 1997, Fan et al. 2010, Klimov and Tolstikov 2011)

No (ABRS 2009)

No: recorded as pest of Lilium spp. bulb (Ho 1993). Also a common inhabitant of decaying wood (Wurst and Frank 1999).

Assessment not required







Tetranychus cinnabarinus (Boisduval)

[Trombidiformes]

carmine spider mite


Yes (Wang and Lin 1997, TaiBNET 2012)

Yes (ABRS 2009)

Assessment not required










Tetranychus urticae Koch [Trombidiformes]

two-spotted spider mite



Yes (Wang and Lin 1997, TaiBNET 2012)

Yes (ABRS 2009)

Assessment not required










COLEOPTERA (beetles, weevils)

Harmonia axyridis (Pallas) [Coccinellidae]

harlequin ladybird



Yes (TaiBNET 2012)

No (ABRS 2009)

Yes: H. axyridis is known as a predator of aphids and other soft-bodied insects as well as pollen and nectar (Koch 2003), and can be imported and moved over long distances on cut flowers as well as other traded commodities including fruit (Koch 2003).

Yes: This species has demonstrated its ability to spread rapidly in Europe, Africa and the Americas (Brown et al. 2011, Nedvěd et al. 2011).

Yes: H. axyridis causes ‘ladybug taint’ in wines after processing if found on grapes (Brown et al. 2011), which may limit or restrict access of such goods into overseas markets and require additional measures to be undertaken. Can also infest buildings (Huelsman et al. 2010).

Yes

Lasioderma serricorne (Fabricius) [Anobiidae]

tobacco beetle



Yes (TaiBNET 2012, BAPHIQ 2012)

Yes (ABRS 2009)

Assessment not required










Lilioceris formosana Heinze

[Chrysomelidae]

(synonym Lilioceris neptis subsp. formosana Heinze, Lilioceris impressa subsp. loochooana Nakane, formosana = bona species: Kimoto et Takizawa, loochooana = formosana: Kimoto et Takizawa)

leaf beetle



Yes (Wang and Lin 1997, Warchalowski 2011)

No (AICN 2004, ABRS 2009)

Yes: This species is native to Taiwan. Lilioceris spp. beetles feed on lilies and other hosts (Kroon 2009). Both adult and larval stages cause foliar damage to host plants (Salisbury 2008). It is likely to be on the pathway and transported internationally.

Yes: Some Lilioceris spp. have established in many countries where accidentally introduced, indicating potential as an invasive species (Kenis et al. 2003). Lilium bulbs are popular in backyards, and grown by local industry. The Australian climate is likely to be conducive for the spread of this pest.

Yes: Adults and larvae of Lilioceris spp. cause economic damage by attacking foliage and flowers of many cultivated and native Lilium plant species and other hosts (Salisbury 2008, Casagrande and Kenis 2004). Lilioceris formosana are herbivores but their host plant association is not fully elucidated.

Yes

Sangariola punctatostriata (Motschulsky)

[Chrysomelidae]

lily leaf flea beetle


Yes (Wang and Lin 1997, TaiBNET 2012)

No (AICN 2004, ABRS 2009)

Yes: Associated with Lilium spp. (Wang and Lin 1997). Larvae eat Lilium spp. leaves (Maddison 1993).

Yes: This species has a limited distribution internationally though it has established in areas with a wide range of climatic conditions. Hosts of this species including Smilax spp. are widespread in Australia (APNI 2012).

Yes: This species could cause economic damage by attacking foliage and flowers of many cultivated and native plant species, including Smilax spp. and Lilium spp. (APNI 2012).

Yes

Sitophilus oryzae (Linnaeus) [Curculionidae]

rice weevil



Yes (Lo 1986, Lyal 2011)


Yes (ABRS 2009)

Assessment not required










Sitophilus zeamais Motschulsky [Curculionidae]

maize weevil



Yes (Lo 1986)


Yes (ABRS 2009)

Assessment not required










Tenebroides mauritanicus (Linnaeus)

[Trogossitidae]

cadelle beetle


Yes (Lo 1986)


Yes (ABRS 2009)

Assessment not required










DIPTERA (flies, gnats, midges)

Chromatomyia horticola Goureau (synonym Phytomiza horticola) [Agromyzidae]

leafminer



Yes (CABI 2012, TaiBNET 2012)

No (ABRS 2009, CABI 2012)

Yes: Highly polyphagous (Malipatil and Ridland 2008). Liliaceae are hosts (Spencer 1973).

Yes: This pest has established and spread in areas with a wide range of climatic conditions. It is found throughout Africa, Asia, and Europe (CABI 2012) and is polyphagous, thus, has the potential for establishment and spread in Australia.

Yes: Leafminers cause economic loss to many crops as they reduce yield, leaf photosynthetic areas, aesthetic value of ornamentals, and are pesticide resistant (Minkenberg 1988, Wei et al. 2000, Shiao 2004).

Yes

Liriomyza huidobrensis (Blanchard) [Agromyzidae]

leafminer



Yes (CABI 2012, TaiBNET 2012)

No (ABRS 2009, CABI 2012)

Yes: Highly polyphagous leafminers (Malipatil and Ridland 2008). Different hosts include aster, begonia, dahlia, impatiens, lily, marigold, petunia, and verbena (UC IPM 2008). Liliaceae are hosts (Spencer 1973).

Yes: This species has demonstrated its ability to spread rapidly in tropical and sub-tropical areas in Asia and Africa, as well as Europe and nearctic regions (Minkenberg 1988, Wei et al. 2000). Host plants are present in Australia, as are similar climatic regions.

Yes: Leafminers cause economic loss to many crops as they reduce yield, leaf photosynthetic areas, aesthetic value of ornamentals, and are pesticide resistant (Minkenberg 1988, Wei et al. 2000, Shiao 2004).


Yes

Liriomyza trifolii (Burgess) [Agromyzidae]

leafminer



Yes (CABI 2012, TaiBNET 2012)

No (ABRS 2009, CABI 2012)

Yes

Eumerus figurans Walker

[Syrphidae]

(synonym E. marginatus Grimshaw)

bulb fly


Yes (Thompson and Vockeroth 1989)

Yes (Thompson and Vockeroth 1989)

No: Larvae of this genus bore into bulbs (Maddison 1993, Mau and Kessing 1992). Not known to be associated with flowers and foliage.

Assessment not required







Eumerus okinawaensis Shiraki [Syrphidae]

hover fly



Yes (Maddison 1993, Wang and Lin 1997, TaiBNET 2012)

No (Maddison 1993, ABRS 2009, ALA 2011)

No: Larvae of this genus bore into Lilium spp. bulbs (Maddison 1993). Not known to be associated with flowers and foliage.

Assessment not required







Eumerus strigatus (Fallen)

[Syrphidae]

onion bulb fly


Yes (CABI 2012)/Unconfirmed

No (CABI 2012)/ Unconfirmed (AICN 2004, APPD 2011)

No: Larvae bore in Lilium spp. bulbs (Maddison 1993). Not known to be associated with flowers and foliage.

Assessment not required







HEMIPTERA (aphids, leafhoppers, mealybugs, psyllids, scales, true bugs, whiteflies)

Abgrallaspis cyanophylli (Signoret) [Diaspididae]

cyanophyllum scale



Yes (Takagi 1969, Lee 1988, Ben-Dov et al. 2012)

Yes (ABRS 2009)

Assessment not required










Aonidiella orientalis (Newstead) [Diaspididae]

oriental scale



Yes (Miller and Davidson 2005, BAPHIQ 2012)

Yes (ABRS 2009)

Assessment not required










Aphis gosspyii Glover

[Aphididae]

cotton aphid


Yes (Wang and Lin

1997, BAPHIQ 2009)



Yes (ABRS 2009, CABI 2012)

Assessment not required










Aulacorthum circumflexum (Buckton)

[Aphididae]

(synonym Neomyzus circumflexum)

lily aphid



Yes (TaiBNET 2012, BAPHIQ 2012)

Yes (ABRS 2009)

Assessment not required










Aulacorthum solani (Kaltenbach) [Aphididae]

foxglove aphid



Yes (Wang and Lin 1997, TaiBNET 2012)

Yes (Berlandier 1997, APPD 2011)

Assessment not required










Chrysomphalus aonidum (Linnaeus)

[Diaspididae]

Florida red scale, circular black scale


Yes (Lee 1988, EPPO 2007, Ben-Dov et al. 2012)

Yes (ABRS 2009, Ben-Dov et al. 2012)

Assessment not required










Coccus hesperidum Linnaeus [Coccidae]

brown soft scale



Yes (Lee 1988, Wang and Lin 1997, Ben-Dov et al. 2012)

Yes (Ben-Dov et al. 2012)

Assessment not required










Dysmicoccus brevipes (Cockerell) [Pseudococcidae]

pineapple mealy bug



Yes (BAPHIQ 2009, Ben-Dov et al. 2012)

Yes (Ben-Dov et al. 2012)

Assessment not required










Ferrisia virgata (Cockerell) [Pseudococcidae]

striped mealybug



Yes (Wang and Lin 1997, Ben-Dov et al. 2012)

Yes (Ben-Dov et al. 2012)

Assessment not required










Hemiberlesia lataniae (Signoret) [Diaspididae]

latania scale



Yes (Ben-Dov et al. 2012)

Yes (Ben-Dov et al. 2012)

Assessment not required










Myzus persicae (Sulzer)

[Aphididae]

green peach aphid


Yes (Wang and Lin 1997, BAPHIQ 2009)

Yes (Berlandier 1997, APPD 2011)

Assessment not required










Parlatoria proteus (Curtis)

[Diaspididae]

brown scale


Yes (Takagi 1969, Ben-Dov et al. 2012)

Yes (ABRS 2009, Ben-Dov et al. 2012)

Assessment not required










Pinnaspis aspidistrae aspidistrae (Signoret)

[Diaspididae]

aspidistra scale


Yes (Takagi 1969, Wang and Lin 1997, Ben-Dov et al. 2012)

Yes (Ben-Dov et al. 2012)

Assessment not required









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