Hi David ... I don't think this is P. semipunctata ... the pattern within each species seems to be quite consistent for this genus, and your beetle is quite distinctive. Let's go with Phorocantha sp. Interestingly, it is very like this sighting by David Akers in Victoria http://www.bowerbird.org.au/observations/85450
Describe how you intend to use these images and/or audio files and your request will be sent to the author for consideration.
Your request has been successfully submitted to the author for consideration.
2,155,972 sightings of 19,975 species in 6,518 locations from 11,560 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.