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  1. ...the scraper against the file, the wings amplify the sound , making it loud enough for other insects to hear. Walker learned to identify katydids and crickets based on their...

    3 Answers · Science & Mathematics · 30/09/2006

  2. .... Another common noise-making tree insect is the Katydid . It's not as loud, and more heard at night than day. It sounds like a bat.

    2 Answers · Science & Mathematics · 16/08/2010

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