Reference
Manfred A. Jäch, Juan Angel Diaz (2016): New and little known Palearctic species of the genus Hydraena (s.l.) KUGELANN XI. Descriptions of three new species from the Greek island of Euboea, and taxonomic notes on the Hydraena (s.str.) dryops complex – Koleopterologische Rundschau – 86_2016: 61 - 81.