See: https://www.flickr.com/photos/simongrovetmag/15648973313 and https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:5de4b02d-986f-4739-9041-b502220e5393
The 3 sightings classified under Chauliognathus sp. look much the same as this: https://canberra.naturemapr.org/Community/Species/22003 Kim, could you please give your opinion? If favourable I will re-ID them to C. tricolor.