Revision of the genus Ptomaphagus Hellwig from eastern Asia (Coleoptera, Leiodidae, Cholevinae) Author Wang, Cheng-Bin Author Perreau, Michel Author Ruzicka, Jan Author Nishikawa, Masaaki text ZooKeys 2017 715 69 92 http://dx.doi.org/10.3897/zookeys.715.20497 journal article http://dx.doi.org/10.3897/zookeys.715.20497 1313-2970-715-69 763EF053AFAA41119CA96060F9E09E70 763EF053AFAA41119CA96060F9E09E70 Group yasutoshii Diagnosis. This group is characterised by the following combination of characters: (1) body length ≥ 4.3 mm; (2) antennomere III much longer than II; VI subquadrate, length/width = 0.8; (3) metathoracic wings absent; (4) aedeagus with median lobe turning to right at apex; (5) spermatheca discoid in distal part. Species included: P. (s. str.) yasutoshii Nishikawa, 1993 (China (Taiwan)) = P. (s. str.) smetanai Perreau, 1996