Ochthebius satoi. 42 mentum (ventral aspect) 43 gena and gula (ventral aspect) 44 maxillary palpus (dorsal aspect) 45 pronotum (dorsal aspect) 46 anterior part of elytron (dorsal aspect) 47 mesoventrite (ventral aspect) 48 metaventrite (ventral aspect) 49 male terminal sternite (ventral aspect).

 
 
  Part of: Lee D-H, Ahn K-J (2016) A taxonomic review of the Hydraenidae in South Korea (Coleoptera). ZooKeys 634: 57-78. https://doi.org/10.3897/zookeys.634.10640