Fletcher, Neville H.; Hill, K. G.
The male cicada of the species Cystosoma saundersii has a grossly enlarged,
hollow abdomen and emits a loud calling song with a fundamental
frequency of about 800 Hz. At the song frequency, its hearing is nondirectional.
The female of C. saundersii lacks sound producing organs, has no
enlargement of the abdomen, but possesses an abdominal air sac and has
well developed directional hearing at the frequency of the species' song.
Physical mechanisms are proposed that explain these...[Show more]
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