Number of North American species-group taxa described over time, by decade. Data excludes adventive species as well as impression and amber fossils.

 
 
  Part of: Bousquet Y, Thomas DB, Bouchard P, Smith AD, Aalbu RL, Johnston AM, Steiner WE Jr (2018) Catalogue of Tenebrionidae (Coleoptera) of North America. ZooKeys 728: 1-455. https://doi.org/10.3897/zookeys.728.20602