Him deduces that the host plant is (Leionema lamprophyllum subsp. obovatum) and the precise location is "walk up to Booroomba rocks lookout and go approx 50m to the right......
I wrote to Axel Kallies about this observarion as Cossids are one of his interest groups. He says "The Cossidae is a new species of Endoxyla. It seems relatively common in inland WA."
I disagree. Tawhitia pentadactylus has a dotted line along the termen (not a solid line like above). It has a zig zag sub terminal line (missing above) In the 3rd shot above it is possible to make out parts of the broad zig zag lines that cross the wing of Culladia cuneiferellus.