Lattin 1988. Family Scutelleridae Leach, 1815. The shield bugs. Henry, T.J.; Froeschner, R.C.[Eds]. Catalog of the Heteroptera, or true bugs, of Canada and the continental United States., E.J. Brill, Leiden, New York etc., 1988: i-xix, 1-958. Chapter pagination: 684-693