Arenopsaltria fullo, also known as the sandgrinder, is a species of cicada in the true cicada family. It is endemic to Australia. It was described in 1850 by English entomologist Francis Walker.
The species has a forewing length of 28âÂÂ34 mm.
The species is found in coastal Western Australia, from the mouth of the Murchison River southwards to Augusta, where it occurs in open heath habitats on sandy soils.
Adults may be heard from September to March, clinging to the branches of small trees, uttering continuous, coarse, grating calls.