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, vol. 90, no. 3, 275–301.
Thomas J. Henry, Richard C. Froeschner. (1988). Catalog of the Heteroptera, True Bugs of Canada and the Continental United States. Brill Academic Publishers.
Further reading
Ross H. Arnett (30 July 2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. ISBN978-0-8493-0212-1.