Taxa marked as OF BIOSECURITY CONCERN means that within that family of moths and butterflies there are possibly species that are of concern to Australia. This concern can range from environmental, economic, medical or agricultural impacts. It is best to send the specimen in for rapid diagnosis to give us the best chance of containing the potential pest before it spreads.
For specimens found on a property and identified within a family of biosecurity concern, call Exotic Plant Pest Hotline: 1800 084 881
For specimens found in goods, containers or parcels and identified within a family of concern call: 1800 798 636
Alternatively, visit this link for further information: http://www.agriculture.gov.au/pests-diseases-weeds/report