Makarkin, V.N.; Wedmann, S. 2009: First record of the genus Sympherobius (Neuroptera: Hemerobiidae) from Baltic amber. Zootaxa, 2078: 55–62.
Arnett, Ross H. Jr. (2000). American Insects: A Handbook of the Insects of America North of Mexico. Vol. 2nd Edition. CRC Press. ISBN0-8493-0212-9.
Capinera, John L., ed. (2008). Encyclopedia of Entomology. Springer. ISBN978-1402062421.
Elliott, John Malcolm (1996). British Freshwater Megaloptera and Neuroptera: a key with ecological notes. Freshwater Biological Association.
Hagen, Hermann August (1862). Synopsis of the Neuroptera of North America: with a list of the South American species. Vol. 4:1. Smithsonian institution.
New, T.R. (1975). "The biology of Chrysopidae and Hemerobiidae (Neuroptera), with reference to their usage as biocontrol agents: a review". Ecological Entomology. 127 (2). Wiley Online Library: 115–140.
Penny, Norman D.; Adans, Phillip A.; Stange, Lionel A. (1997). "Species catalog of the Neuroptera, Megaloptera and Raphidioptera of America north of Mexico". {{cite journal}}: Cite journal requires |journal= (help)