FIGURES 43–48 in Sinolethrus, a new subgenus of the genus Lethrus Scopoli, 1777 from China (Coleoptera: Geotrupidae: Lethrinae) and new synonymy of the subgenus Paralethrus Nikolajev, 2003

FIGURES 43–48. Head of Lethrus species with mandibular appendix, keels and hornlike apophyses of mandibles (males), schematically. 43–45 L. (Paralethrus) bituberculatus macrodon Nikolajev, 1969 (43 frontal view, 44 lateral view, 45 dorsal view, after Hillert 2004); 46–48 L. (Abrognathus) tuberculifrons Ballion, 1871 (46 frontal view, 47 lateral view, 48 dorsal view).