Of a proposal for the importation of feed grain maize




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7. APPENDIX 2: TABLE 1: QUARANTINE STATUS OF PESTS ASSOCIATED WITH STORED MAIZE GRAIN AND ADMIXTURE GRAIN COMMODITIES AND ARTHROPOD PESTS KNOWN TO VECTOR MAIZE DISEASES IN NORTH AMERICA. 83


The following data sheets refer to arthropod pests known to be associated with stored maize and other stored grain commodities which are likely to be found in admixture with grain. Included are data sheets on arthropod pests known to vector maize diseases which were identified by the disease Technical Working Group for the maize from USA IRA.
Khapra beetle (Trogoderma granarium) is not on the list of arthropod pests of stored grain in the USA as it is not established there and is a legislated pest in the USA. However, it is possible for this species to be present in ships used for grain transport and interceptions have been recorded via this pathway. Khapra beetle is considered to be a pest of concern to Australia and has therefore been included in this analysis.

Data Sheets For Arthropods


6.1 Acanthoscelides obtectus (Say) : bean weevil



Species: Acanthoscelides obtectus (Say, 1831) [Coleoptera : Bruchidae]
Synonyms or changes in combination or taxonomy: Bruchus obtectus Say, 1831; Buchus fabae Riley, 1871; Acanthoscelides varicornis (Motshulsky)
Common name(s): bean weevil, American seed beetle, dried bean beetle
Distribution: North America, Australia
Entry potential: n/a, already present in Australia
Economic Importance: important pest of beans (Phaseolus, Vicia, Cajanus spp.) does not attack cereal grain, potential contaminant in maize
Quarantine Status: Non-Quarantine
References:

Rees, D.P. (1994) Insects of Stored Grain - a Pocket Reference. Stored Grain Research Laboratory, CSIRO Entomology : Canberra.


Voucher Specimens in Australian National Insect Collection, CSIRO Entomology, Canberra
Bousquet, Y. (Ed.)(1991) Checklist of Beetles of Canada and Alaska. Agriculture Canada : Ottawa, 430 pp.


6.2 Aceria tosichella (Keifer) : grass mite



Species: Aceria tosichella (Keifer,1969) [Acarina: Eriophyidae]
Synonyms or changes in combination or taxonomy: Eriophyes tosichella Keifer, 1969; Aceria tritici Shevtchenko et al., 1970; published records of Aceria tulipae (Keifer, 1938) on grasses are believed to refer to A. tosichella.
Common name(s): grass mite.
Distribution: no records of distribution found outside USA.
Vector Status: transmits High Plains Virus (HPV).
Entry potential - n/a, not in pathway. Mites of this family are not found on/in dry grains as they have modified piercing and sucking mouth parts and so can only feed on the liquid contents of cells. They do not have a resistant form that can sustain the species through long periods without a living host.
Establishment potential - High, suitable hosts probably widespread.
Spread potential - High.
Quarantine Status: Quarantine.
References:

Halliday, R. B (1998) Mites of Australia: a Checklist and Bibliography. CSIRO Publishing: Australia, 317 pp.


Jepson, L. R., Keifer, H. H., Baker, E. W. (1975) Mites Injurious to Economic Plants. University of California Press : Berkeley, 614pp.
Slykhuis, J. T. (1980) Mites. In Harris, K. F., Maramorosch, K. (1980) Vectors of Plant Pathogens. Academic Press: New York, 467 pp.


6.3 Aceria tulipae (Keifer) : wheat curl mite



Species: Aceria tulipae (Keifer, 1938) [Acarina: Eriophyidae]
Synonyms or changes in combination or taxonomy: Eriophyes tulipae Keifer, 1938; published records of Aceria tulipae (Keifer, 1938) on grasses are believed to refer to A. tosichella (Keifer,1969).
Common name(s): wheat curl mite.
Distribution: world wide, presence in Australia not confirmed.
Vector Status: vector of wheat streak mosaic rymovirus (WSMV)
Entry potential - n/a, not in pathway. Original records showed A. tulipae as a grass inhabiting species however, it is now believed that this species is confined to bulb-forming plants. Mites of this family are not found on/in dry grains as they are very small and in chambers in growing plant tissue.
Establishment potential - n/a.
Spread potential - n/a.
Quarantine Status: Quarantine.
References:

Davidson, R.H. & Lyon, W.F. (1979) Insect Pests of Farm, Garden and Orchard. 7th Edition. John Wiley & Sons : New York, p185.


Halliday, R. B (1998) Mites of Australia: a Checklist and Bibliography. CSIRO Publishing: Australia, 317 pp.
Hill, D.S. (1994). Agricultural Entomology. Timber Press, Portland : Oregon, p560.
Jepson L. R., Keifer, H. H., Baker, E. W. (1975) Mites Injurious to Economic Plants. University of California Press : Berkeley, 614pp.


6.4 Aglossa caprealis (Hübner) : murky meal moth



Species: Aglossa caprealis (Hübner, 1809) [Lepidoptera : Pyralidae]
Synonyms or changes in combination or taxonomy: Pyralis caprealis Hübner, 1809; Pyralis aenalis Costa, 1836; Aglossa domalis Guenée, 1854; Acrobasis incultella Walker, 1866; Tetralopha enthealis Hulst, 1886
Common name(s): murky meal moth
Distribution: USA, Australia
Entry potential: n/a, already present in Australia
Economic Importance: minor pest of residues
Quarantine Status: Non-Quarantine
References:

Nielsen, E.D., Edwards, E.D., Rangsi, T.V. (Eds)(1996). Checklist of the Lepidoptera of Australia. Melbourne : CSIRO Publishing, Australia 529pp.




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