Figure 66 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 66 - Male genitalia of Operclipygus fossipygus group. A T8 of Operclipygus gibbulus B S8 of Operclipygus gibbulus C S9 of Operclipygus gibbulus D T8 of Operclipygus fungicola E S8 of Operclipygus fungicola F T9 & T10 of Operclipygus fungicola G S9 of Operclipygus fungicola H Aedeagus, dorsal and lateral views, of Operclipygus gibbulus I Aedeagus, dorsal and lateral views, of Operclipygus fungicola.