Figure 32 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 32 - Male genitalia of Operclipygus dubius group. A T9 & T10 of Operclipygus variabilis B S9 of Operclipygus variabilis C Aedeagus, dorsal and lateral views, of Operclipygus variabilis D Aedeagus, dorsal and lateral views, of Operclipygus validus E T9 & T10 of Operclipygus validus F S8 of Operclipygus validus G S9 of Operclipygus validus H S9 of Operclipygus lunulus I T9 & T10 of Operclipygus lunulus J S8 of Operclipygus lunulus K Aedeagus, dorsal and lateral views, of Operclipygus lunulus.