These flies are parasites of moth caterpillars.
Trigonospila sp. (genus) is listed in the following regions:
Canberra & Southern Tablelands | Southern Highlands | South Coast | Greater Sydney | Barwon South West | Greater Brisbane | Wide Bay
Species page sighting lists are under redevelopment and will return very soon.
Maps
ANBG ANBG South Annex Aranda Bushland Black Mountain Bluetts Block (402, 403, 12, 11) Bungonia National Park City Renewal Authority Area Denman Prospect 2 Estate Deferred Area (Block 12) Dryandra St Woodland Endeavour Reserve (Bombala) Genoplesium plumosum target area Gibraltar Pines Goulburn Mulwaree Council Haig Park Higgins Woodland Hughes Grassy Woodland Katarina's garden McQuoids Hill MichaelBedingfied's Home Garden Mount Ainslie Mount Majura Mount Painter Namadgi National Park Piney Ridge Red Hill to Yarralumla Creek Tidbinbilla Nature Reserve Wandiyali-Environa Conservation AreaPlaces
Aranda, ACT Braddon, ACT Brindabella, NSW Bungendore, NSW Florey, ACT Higgins, ACT Melba, ACT Watson, ACT Yaouk, NSW