The adults are pale brown, each forewing having two arcs of dark spots, one arc each side of a straight shaded dark line parallel to the margin. The labial palps are dark in this species. The moths have a wingspan of about 3 cms.
Epidesmia tryxaria is listed in the following regions:
Canberra & Southern Tablelands | South Coast | New South Wales North Coast | Barwon South West | Greater Brisbane
No sightings currently exist.