Graphoderus bilineatus. Copyright: Yerpo [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], from Wikimedia Commons.

 
 
  Part of: Knoblauch A, Gander A (2019) Distribution of a residual population of the Dytiscid Graphoderus bilineatus (de Geer, 1774) in the Grande Cari├žaie nature reserves, Switzerland. Alpine Entomology 3: 83-91. https://doi.org/10.3897/alpento.3.30417