Stridulation is the production of sounds by rubbing two parts of the body together; this mechanism is best known in crickets, grasshoppers, and cicadas. Larval Lucanidae, Passalidae[?], and Geotrupidae[?] also stridulate, rubbing a series of ridges on the coxa of the middle legs with a scraper on the trochanter of the hind leg.
... to Marseilles. De Gaulle had sent him coordinate activities of different resistance groups. Many groups were not enthusiastic at first.
When Germans initiated a ...