stridulate

/ˈstrɪdʒəˌleɪt/
verb
  1. To produce a shrill, grating sound by rubbing body parts together, as certain insects do (e.g., crickets, grasshoppers).
    • The cricket began to stridulate as the sun went down.
    • Grasshoppers stridulate by rubbing their hind legs against their wings.
    • In the quiet meadow, the insects stridulated in a steady chorus.
Synonyms