Bladder grasshoppers of southern Africa
Scanning electron micrographs of adult stridulatory mechanisms. (A) Sclerotised file on pleura of male second abdominal segment (Scale bar, 400 µm). (B) Scraper on proximal surface of male hind femur (Scale bar, 100 µm). (C) Stridulatory pegs in differentiated region of female abdominal tergite (Scale bar, 25 µm). (D) Ventral surface of female wing showing stridulatory teeth on veins (Scale bar, 200 µm).