FIGURES 1–4. Aedeagus, schematically. 1–2 L 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 1–4. Aedeagus, schematically. 1–2 L. (Ceratodirus) dostojewskii Semenov, 1899 (1 lateral view, 2 dorsal view); 3–4 L. (Sinolethrus) serpentifer Semenov & Medvedev, 1935 (3 lateral view, 4 dorsal view).