Blatchley, W.S. (1926). Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida. Nature Publishing. doi:10.5962/bhl.title.6871.
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.