Literature

Authors	År	Tittel
van Staaden, Couldridge	2006	Female preferences for male calling songs in the bladder grasshopper Bullacris membracioides
van Staaden, Donelson	2005	Alternate tactics in male bladder grasshoppers Bullacris membracioides (Orthoptera: Pneumoridae)
van Staaden, Rieser, Ott, Pabst, Römer	2003	Serial hearing organs in the atympanate grasshopper Bullacris membracioides (Orthoptera, Pneumoridae)
van Staaden, Römer	1998	Evolutionary transition from stretch to hearing organs in ancient grasshoppers
van Staaden, Römer	1997	Sexual signalling in bladder grasshoppers: tactical design for maximizing calling range.

Taxonomic name