| Thorax: With reduced chaetotaxy, lacking dorsocentral and katepisternal setae. |
| Species of this subgenus have reduced chaetotaxy on their first walking legs, which distinctly separates them from members of the subgenus Unionicola and other subgenera. |
| The primary chaetotaxy of legs, last abdominal segment, and cerci is generally consistent with that reported for Rhantus and a related genus, Colymbetes. |
| The analysis of the primary chaetotaxy of the head and its appendages, legs, last abdominal segment, and urogomphi revealed no major differences between these two species. |
| Shape, ornamentation and chaetotaxy of dorsal parts as in female. |
| These last two works contained chaetotaxy maps of selected species and some pupal drawings. |
