The male mole cricket amplifies and directs its calling song by digging a double-mouthed burrow that functions as an amplifier.
Mole Cricket, taken in Swifts Creek, Victoria in December 2006. Specimen is approx 3.5cm in size
Determined by Terry Houston to be most likely Gryllotalpa brachyptera Tindale, 1928.
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"The male mole cricket Gryllotalpa vineae digs a double-mouthed burrow in the ground, which functions as a horn-like amplifier to amplify and direct sound; the invention looks something like an early gramophone." (Pallasmaa 1995:51)