Ptomaphagus (s. str.) yasutoshii Nishikawa, 1993 (♂ holotype; ♀ allotype). A antenna ♂ (dorsal view) B pronotum ♂ (dorsal view) C protarsus ♂ (dorsal view) D protarsus ♀ (dorsal view) E protibia and profemur ♂ (ventral view) F protibia and profemur ♀ (ventral view) G elytral apex ♂ (dorsoapical view) H elytral apex ♀ (dorsoapical view) I ventrite VIII ♂ (ventral view) J genital segment ♂ (ventral view). Scale bars 0.1 mm.

 
 
  Part of: Wang C-B, Nishikawa M, Perreau M, Růžička J, Hayashi Y (2016) Revision of the genus Ptomaphagus Hellwig (Coleoptera, Leiodidae, Cholevinae) from Taiwan Island. ZooKeys 609: 43-62. https://doi.org/10.3897/zookeys.609.9327