Hydraena mahensis Scott, 1913: 7 male terminal sternite and spiculum 8 gonocoxite 9 female tergite X 10–11 spermatheca, in different views. Scale bar: 0.1 mm.

 
 
  Part of: Jäch MA, Delgado JA (2016) Hydraena Kugelann, 1794 (Coleoptera, Hydraenidae) from the Seychelles, Indian Ocean, with description of a new species. ZooKeys 623: 75-88. https://doi.org/10.3897/zookeys.623.10052