First issued in release COL20.12.
Last used in release COL23.5
Published in
Grandcolas, P. (1993) Le genre Therea Billberg, 1820: position phylogenetique, nouvelles especes, repartition, valence ecologique (Dictyoptera, Blattaria, Polyphaginae). Canadian Journal of Zoology, 71(9), 1816–1822.