I suspect many folks living around Newstead have encountered this creature under rocks or fallen logs. It’s a Black Rock Scorpion Urodacus manicatus, a widespread species found in the forests and woodlands of eastern Australia.
Black Rock Scorpion, South German Track, 29th January 2011
This one was about 60mm long and was secreted away in a burrow under some fallen wood – waiting no doubt for some unsuspecting prey. According to the Museum of Victoria … “Like most scorpions, the Black Rock Scorpion is a ‘sit and wait’ predator – it sits near the mouth of its burrow and detects passing prey by monitoring the substrate vibrations caused by the movement of the prey.”
Not to be trifled with!
Natural Newstead 
Hi, I am a biosecurity and conservation student at the University of Auckland, currently constructing a species risk assessment on this species, and was wondering if you would give me permission to use your wonderful images of this organism?
That’s fine Indigo – thanks for asking
Cheers Geoff