Orectochilus villosus. 32 scutellum (dorsal aspect) 33 basal part of elytron (dorsal aspect) 34 apical part of elytron (dorsal aspect) 35 prosternum (ventral aspect) 36 mesoventrite (ventral aspect) 37 metaventrite (ventral aspect) 38 sternite II (ventral aspect) 39 sternites III-VII (ventral aspect) 40 sternite VIII (ventral aspect).

  
 
  Part of: Lee D-H, Ahn K-J (2015) A taxonomic review of the Gyrinidae (Coleoptera) in Korea. ZooKeys 509: 87-107. https://doi.org/10.3897/zookeys.509.9442