Eutorna tricasis is listed in the following regions:
Canberra & Southern Tablelands | South Coast | Barwon South West
Maps
Aranda Bushland Bermagui State Forest Bruce Ridge Bruce Ridge to Gossan Hill Caladenia Forest, O'Connor Genoplesium vernale target area Katarina's garden Mongarlowe River Mount Ainslie Sherwood Forest WendyM's farm at Freshwater Ck.Places
Campbell, ACT Freshwater Creek, VIC Harrison, ACT Melba, ACT Turner, ACT