Hyphydrus male habitus. a H. aubei (Corsica; 4.9 mm) b H. ovatus (Sweden; 5.0 mm) c H. anatolicus (Slovakia, specimen post-extraction; 5.1 mm) d H. sanctus (Turkey; 5.2 mm).

 
 
  Part of: Bergsten J, Weingartner E, Hájek J (2017) Species delimitation of the Hyphydrus ovatus complex in western Palaearctic with an update of species distributions (Coleoptera, Dytiscidae). ZooKeys 678: 73-96. https://doi.org/10.3897/zookeys.678.12886