Figure 81 from: Caterino M, Tishechkin A (2013) A systematic revision of Operclipygus Marseul (Coleoptera, Histeridae, Exosternini). ZooKeys 271: 1-401. https://doi.org/10.3897/zookeys.271.4062

Figure 81 - Male genitalia of Operclipygus marginellus group species. A T8 of Operclipygus marginellus B S8 of Operclipygus marginellus C T9 & T10 of Operclipygus marginellus D S9 of Operclipygus marginellus E S9 of Operclipygus striatellus F S8 of Operclipygus striatellus G Aedeagus, dorsal and lateral views, of Operclipygus marginellus H Aedeagus, dorsal and lateral views, of Operclipygus hintoni I T8 of Operclipygus striatellus J T8 of Operclipygus hintoni K S8 of Operclipygus hintoni L S9 of Operclipygus hintoni.