Abstract
All new names and nomenclatural acts affecting the taxonomy of the extant Hydrophiloidea since the publication of the first World Catalogue update in 2006 are reviewed. Additional citations relating to the phylogeny, immature stages, and fossil taxa of the superfamily are also provided.
Four changes to family-group names are introduced, all affecting Hydrophilini: the subtribe Globulosina is synonymized with Acidocerina, and the three resulting subtribes of the Hydrophilini sensu HANSEN (1991) are each elevated to tribal rank: Acidocerini stat. nov., Hydrobiusini stat. nov., and Hydrophilini sensu nov. Five new genus-group synonymies are made: Agnaeformia = Pacrillum; Aschnaia = Allocotocerus; Gemelus = Methydrus; Guaramacalus = Hugoscottia; Quasiparacymus = Paracymus.
The total number of valid, extant species in the Hydrophiloidea now stands at 3335 species in 176 genera.