Sympherobius umbratus is a species of brown lacewing in the family Hemerobiidae. It is found in North America.[1][2][3]
References
- ^ "Sympherobius umbratus Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
- ^ "Sympherobius umbratus". GBIF. Retrieved 2019-09-23.
- ^ "Sympherobius umbratus species Information". BugGuide.net. Retrieved 2019-09-23.
Further reading
- Penny, Norman D.; Adans, Phillip A.; Stange, Lionel A. (1997). "Species catalog of the Neuroptera, Megaloptera and Raphidioptera of America north of Mexico". Proceedings of the California Academy of Sciences. Fourth Series. 50: 39–114.
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