World map showing the boundaries of the biogeographic regions as used in this work, modified from Hansen (1999b).

 
 
  Part of: Girón JC, Short AEZ (2021) The Acidocerinae (Coleoptera, Hydrophilidae): taxonomy, classification, and catalog of species. ZooKeys 1045: 1-236. https://doi.org/10.3897/zookeys.1045.63810