Links
[1] https://www.agric.wa.gov.au/bam/biosecurity-and-agriculture-management-western-australia
[2] https://www.agric.wa.gov.au/organisms
[3] https://www.agric.wa.gov.au/organisms/export?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&per-page=20&sort-by=taxon&order-by=asc
[4] https://www.agric.wa.gov.au/organisms/143630?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&per-page=20&sort-by=taxon&order-by=asc
[5] https://www.agric.wa.gov.au/organisms/89626?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&per-page=20&sort-by=taxon&order-by=asc
[6] https://www.agric.wa.gov.au/organisms/96171?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&per-page=20&sort-by=taxon&order-by=asc
[7] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&rank=species&region=133
[8] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&classification=1
[9] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&region=133
[10] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&rank=species
[11] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&control=C1
[12] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&keep=PROHIBITED
[13] https://www.agric.wa.gov.au/organisms?search_string=Syrphidae&ref_code_name=PRO&rank=species&region=133&presence=absent
[14] http://www.legislation.wa.gov.au/legislation/statutes.nsf/main_mrtitle_13043_homepage.html