Illyria hilli, also known as the northern rattler, is a species of cicada in the true cicada family. It is endemic to Australia. It was described in 1914 by Australian entomologist Julian Howard Ashton.
The forewing length is 23âÂÂ29 mm.
The species occurs from the western Top End of the Northern Territory, extending south to Daly Waters and west to the Ord River basin in far north-eastern Western Australia. The habitat includes tropical woodland.
Adults may be heard from September to February, clinging to the stems, upper branches and trunks of small trees, uttering simple buzzing calls.