Madaglymbus menalamba sp. nov. photographed in the field on Nosy Mangabe (MAD18-57). Note the very distinctly reddish colour, not known from any previously described Madaglymbus species. See also Suppl. material 1: Movie 1 for recordings of the terrestrial locomotion (running) and behaviour of the species.

 
 
  Part of: Ranarilalatiana T, Bergsten J (2019) Discovery of a specialist Copelatinae fauna on Madagascar: highly ephemeral tropical forest floor depressions as an overlooked habitat for diving beetles (Coleoptera, Dytiscidae). ZooKeys 871: 89-118. https://doi.org/10.3897/zookeys.871.36337