1. G. D. Alpert, "The Coleopterists Bulletin." 26, "Aggregations of Perothops witticki LeConte (Coleoptera: Perothopidae)." 73 (1972)
2. J. C. Ciegler, "Ground beetles and wrinkled bark beetles of South Carolina (Coleoptera: Geadephaga: Carabidae and Rhysodidae). Biota of South Carolina. Vol. 1." 149 (2000)
3. J. C. Ciegler, "Tenebrionoidea of South Carolina. Biota of South Carolina. Vol. 8." 243 (2014)
4. N. M. Downie and R. H. Arnett "The Beetles of Northeastern North America. Volume I: Introduction; Suborders Archostemata, Adephaga, and Polyphaga thru Superfamily Cantharoidea." 880 (1996a)
5. N. M. Downie and R. H. Arnett "The Beetles of Northeastern North America. Volume II: Polyphaga: Series Bostrichiformia through Curculionoidea." 830 (1996b)