Ptinidae

7.2. Ptinidae Symmetrical construction: Abb. 7: (7a) Gynopterus aubei ( BOIELDIEU, 1854); (7b) Dignomus frivaldskyi (REITTER, 1884); (7c) Hanumanus ludovici (PIC, 1919); (7d) Ptinus brevivittis (REITTER, 1881); (7e) Ptinus disconotatus PIC, 1907; (7f) Kedirinus bisbinotatus (PIC, 1910). Asymmetrical construction: Abb. 8: (8a) Ptinus bicinctus STURM, 1837; (8b) Ptinus japonicus REITTER, 1877; (8c) Ptinus montanus ESCALERA, 1914; (8d) Ptinus obesus LUCAS, 1849; (8e) Ptinus pilosus MÜLLER, 1821; (8f) Ptinus subpilosus STURM, 1837. It is very important to me to refer to the excellent work on the genus Sphaericus (ERBER & HINTERSEHER 2000), whose genital illustrations facilitate the determination of this difficult genus in an exemplary manner.