Smooth, striped, brown, and 4 cms makes it probably Noctuoidea or Geometroidea. A lateral view would have been helpful, as the different families / subfamilies of these have either 2, 3, 4 or 5 pairs of prolegs. Did you try and rear it to get a moth for an ID ? It is interesting that it fed on Lomandra, as it is clearly none of those listed at the foot of http://lepidoptera.butterflyhouse.com.au/plants/aspa/asparagaceae.html
1,897,902 sightings of 21,103 species in 9,307 locations from 12,950 contributors
CCA 3.0 | privacy
We acknowledge the Traditional Owners of this land and acknowledge their continuing connection to their culture. We pay our respects to their Elders past and present.