↑Walsh, B. D. (1863) Observations on certain N. A. Neuroptera, by H. Hagen, M. D., of Koenigsberg, Prussia; translated from the original French MS., and published by permission of the author, with notes and descriptions of about twenty new N. A. species of Pseudoneuroptera., Proceedings Entomological Society Philadelphia 2: 167-272.
↑Hagen, H. A. (1861) Synopsis of the Neuroptera of North America. With a list of the South American species., Smithsonian Miscellaneous Collections no. : 1-347.