Abstract
The large, diurnal Australian cockroach, Megazosteria patula (Walker), produces a sound when disturbed. The sound was found to be a form of stridulation caused by the rubbing of pegs on the underside of the thoracic segments against a ridge on the following segment.
References
Rentz, D.C.F. (1996) Grasshopper Country: The abundant orthopteroid insects of Australia. University of New South Wales Press, Sydney, 284 pp.
Wallbank, B.E. & Waterhouse, D.F. (1970) The defensive secretions of Polyzosteria and related cockroaches. Journal of Insect Physiology, 16 (11), 2081–2096.
https://doi.org/10.1016/0022-1910(70)90081-8