Henry, Thomas J. (1997). "Phylogenetic Analysis of Family Groups within the Infraorder Pentatomomorpha (Hemiptera: Heteroptera), with Emphasis on the Lygaeoidea". Annals of the Entomological Society of America. 90 (3): 275–301. doi:10.1093/aesa/90.3.275. ISSN0013-8746.
Henry, Thomas J.; Froeschner, Richard C., eds. (1988). Catalog of the Heteroptera, or True Bugs, of Canada and the Continental United States. E. J. Brill. ISBN0-916846-44-X.
Walker, Francis (1871). Catalogue of the Specimens of Hemiptera Heteroptera in the Collection of the British Museum, pt. IV. British Museum. doi:10.5962/bhl.title.9254.