Page:Insects - Their Ways and Means of Living.djvu/74

 tone becomes also less sharp and piercing. The song may be written tzeet-tzeet-tzeet-tzeet-tzek-tzek-tzek-tzuk-tzuk, though the high key and shrill tones of the notes must be



imagined. Riley describes the song as a series of raspings "as of a stiff quill drawn across a coarse file," and Allard