Arbanitis papillosus is a species of mygalomorph spider in the Idiopidae family. It is endemic to Australia. It was described in 1918 by Australian arachnologists William Joseph Rainbow and Robert Henry Pulleine.[1]
The species occurs in south-east Queensland in closed forest habitats. The type locality is Tamborine Mountain, in the Scenic Rim Region.[1]
The spiders are fossorial, terrestrial predators.[1]