Cumulative number of North American species-group taxa described over time, by decade. Data excludes adventive species as well as impression and amber fossils. Line with square marker = total available taxa, line with circular marker = currently valid taxa.

  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.