Parnquila magna, also known as the goldfields buzzer, is a species of cicada in the true cicada family. It is endemic to Australia. It was described in 1913 by English entomologist William Lucas Distant.
The length of the forewing is 21âÂÂ26 mm.
The species occurs in central Western Australia between Menzies, Wiluna and Cue. The syntype was collected at Cue. The associated habitat is arid shrubland and woodland with scattered mallee.
The cicadas are xylem feeders. Adults are heard from January to March, clinging to the stems of woody shrubs, uttering persistent, buzzing calls.