Figure 5 from: Caterino M, Tishechkin A, Degallier N (2012) A revision of the genus Mecistostethus Marseul (Histeridae, Histerinae, Exosternini). ZooKeys 213: 63-78. https://doi.org/10.3897/zookeys.213.3552

Figure 5 - Genital segments 8–10 of Mecistostethus (Mecistostethus carltoni pictured, others essentially identical). A Eighth tergite, dorsal view B Eighth sternite, dorsal view C Ninth and tenth tergites, dorsal view D  Ninth tergite, lateral view E Spiculum gastrale (ninth sternite), dorsal view.