Literature
- Stål, C. 1872c. Genera Lygaeidarum Europae disposuit 29: 37-62. Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar.
- Uhler, P.R. 1876. List of Hemiptera of the region west of the Mississipi River, including those collected during the Hayden exploration of 1873 1: 269- 361. Bulletin of the United States Geological and Geographical Survey of the Territories.