Type material (habitus in dorsal aspect, male). Scale bar equals 10 mm. 1 C. scabrosum scabrosum (holotype) 2 C. scabrosum roeschkei (holotype) 3 C. imbricatum hottentottum (holotype of Ctenosta aethiops Jeannel, 1940) 4 C. imbricatum hottentottum (holotype).

 
 
  Part of: Häckel M, Farkač J, Sehnal R (2016) Calosoma aethiops (Jeannel, 1940) as a new synonym of Calosoma imbricatum hottentotum Chaudoir, 1852, a new status of Calosoma roeschkei Breuning, 1927, and a revision of the Calosoma senegalense group sensu Häckel, 2012 (Coleoptera, Carabidae, Carabini). ZooKeys 609: 11-28. https://doi.org/10.3897/zookeys.609.6822