Digital habitus photograph of A) Hydraena biltoni ♂; B) H. minutissima ♂; C) H. morio ♀; D) H. nigrita ♂; E) H. subintegra, pale colouration of a teneral ♂ specimen; F) H. subintegra ♂, regular colouration; scale bar = 1.0 mm.

 
  Part of: Freitag H, de Vries R, Paterno M, Maestri S, Delledonne M, Thompson CG, Lamed H, Lambert R, Fox MF, Gonzalez MC, Delocado ED, Sabordo MR, Pangantihon CV, Njunjić I (2021) Hydraena (s.str.) dinarica, new species (Coleoptera: Hydraenidae) along with further records of Hydraena spp. from Durmitor National Park, Montenegro and comments on the DNA barcoding problem with the genus. Biodiversity Data Journal 9: e59892. https://doi.org/10.3897/BDJ.9.e59892