Figure 43 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 43 - Male genitalia of Operclipygus hospes group. A T8 of Operclipygus gratus B S8 of Operclipygus gratus C T9 & T10 of Operclipygus gratus D S9 of Operclipygus gratus E T8 of Operclipygus rileyi F S8 of Operclipygus rileyi G T9 & T10 of Operclipygus rileyi H S9 of Operclipygus rileyi I Aedeagus, dorsal and lateral views, of Operclipygus gratus J Aedeagus, dorsal and lateral views, of Operclipygus confertus K Aedeagus, dorsal and lateral views, of Operclipygus rileyi L Aedeagus, dorsal and lateral views, of Operclipygus praecinctus M S9 of Operclipygus assimilis.