Thesium is a genus of ant-loving beetles in the family Staphylinidae. There are at least two described species in Thesium.
Species These two species belong to the genus Thesium: Thesium cavifrons (LeConte, 1863) i c g Thesium pearcei Park in Park, Wagner and Sanderson, 1976 i c g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net
References
Further reading