Habitus, dorsal view. A Male: Copelatus marginipennis B Female: Copelatus mahajanga C Female: Copelatus sp. 1 (Bemaraha) D Male: Copelatus pulchellus.

 
 
  Part of: Ranarilalatiana T, Raveloson Ravaomanarivo LH, Bergsten J (2019) Taxonomic revision of the genus Copelatus of Madagascar (Coleoptera, Dytiscidae, Copelatinae): the non- erichsonii group species. ZooKeys 869: 19-90. https://doi.org/10.3897/zookeys.869.33997