Trechus exhibitorius sp. n., holotype, volume rendering of the aedeagal median lobe with endophallus. YouTube link: https://youtu.be/u7hzlyrxOTA

 
 
  Part of: Schmidt J, Belousov I, Michalik P (2016) X-ray microscopy reveals endophallic structures in a new species of the ground beetle genus Trechus Clairville, 1806 from Baltic amber (Coleoptera, Carabidae, Trechini). ZooKeys 614: 113-127. https://doi.org/10.3897/zookeys.614.9283