Defensive Sound Production in the Tobacco Hornworm, Manduca sexta (Bombycoidea: Sphingidae)

  title={Defensive Sound Production in the Tobacco Hornworm, Manduca sexta (Bombycoidea: Sphingidae)},
  author={Veronica L. Bura and Antoine K. Hnain and Justin N. Hick and J. Yack},
  journal={Journal of Insect Behavior},
  • Veronica L. Bura, Antoine K. Hnain, +1 author J. Yack
  • Published 2011
  • Biology
  • Journal of Insect Behavior
  • The tobacco hornworm (Manduca sexta) is a model organism extensively studied for many aspects of its biology, including its anti-predator strategies. We report on a novel component of this caterpillar’s defence repertoire: sound production. Late instar caterpillars produce discrete clicking sounds in response to disturbance. Click trains range in duration from 0.3–20.0 s (mean 3.3 ± 4.8 s) and contain 2–41 clicks (mean 7.1 ± 9.5). Sounds are broadband with a dominant frequency of 29.8 ± 4.9 kHz… CONTINUE READING
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