Pterostichus (Pseudethira) letensis species group
The species of the Pterostichus subgenus Pseudethira Sciaky, 1996, in the central und [and] western Nepal Himalaya: taxonomy, phylogeny and biogeography (Insecta: Coleoptera: Carabidae). Hartmann, Matthias; Weipert, Joerg[Eds]. Biodiversity and natural heritage of the Himalaya II., Verein der Freunde & Foerderer des Naturkundemuseums Erfurt e.V., Erfurt, 2006: i-ii, 1-533. Chapter pagination: 179-243. 222 [Zoological Record Volume 143]