Do caterpillars scream to protect themselves and what sounds do they make?
While they do not exactly scream, some caterpillars have noise-making organs, and the sound they produce is used to call in troops of ants to protect them from predatory wasps. The noise has an average frequency of 1,877 hertz, which would be audible to human ears if it were not so very faint. Some noisy butterfly larvae species
