Figure 48 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 48 - Male genitalia of Operclipygus farctus group. A T8 of Operclipygus farctus B S8 of Operclipygus farctus C T9 & T10 of Operclipygus farctus D S9 of Operclipygus farctus E S9 of Operclipygus atlanticus F S8 of Operclipygus atlanticus G T9 & T10 of Operclipygus atlanticus H S8 of Operclipygus gilli I S9 of Operclipygus gilli J S9 of Operclipygus proximus K Aedeagus, dorsal and lateral views, of Operclipygus farctus L Aedeagus, lateral view, of Operclipygus distinctus M Aedeagus, dorsal and lateral views, of Operclipygus atlanticus N Aedeagus, dorsal and lateral views, of Operclipygus gilli O Aedeagus, dorsal and lateral views, of Operclipygus proximus P Aedeagus, dorsal and lateral views, of Operclipygus prolixus.