Aedeagi of Chasmogenus spp. A–D C. tafelbergensis A dorsal view B side view C side view D ventral view E–H C. ignotus E dorsal view F side view G side view H ventral view. Scale bar: 0.25 mm.

  Part of: Smith RR, Short AEZ (2020) Review of the genus Chasmogenus Sharp, 1882 of northeastern South America with an emphasis on Venezuela, Suriname, and Guyana (Coleoptera, Hydrophilidae, Acidocerinae). ZooKeys 934: 25-79.