Details of elytra, dorsal habitus and aedeagus of Omorgus ciliatus (Blanchard, 1847): A. Elytral tubercles present and visible (from Catamarca, Argentina); B. Poorly visible (Salta, Argentina) and C. Elytral tubercles absent (Neuquén). Habitus in dorsal view (D–F) of Omorgus ciliatus specimens and their respective aedeagus (G–I) showing no appreciable variation. Scale bars: 1 mm.

 
 
  Part of: da Costa-Silva V, Strümpher WP, Barclay MVL, Vaz-de-Mello FZ (2024) An illustrated catalogue of South American species of Omorgus Erichson, 1847 (Coleoptera, Trogidae, Omorginae) including a neotype designation and taxonomical changes. Contributions to Entomology 74(1): 81-101. https://doi.org/10.3897/contrib.entomol.74.e126799