No information for Corydalus cornutus is online yet, so it's not included in the main link structure of the site.
References
Brigham, W.U., A.K. Brigham, and A. Gnilke. 1982. Aquatic Insects and Oligochaetes of North and South Carolina. Midwest Aquatic Entomologist.
Knight, Allen W. and C.A. Siegfried. 1977. The Distribution of Corydalus cornutus (Linnaeus) and Nigronia serricornis (Say) (Megaloptera: Corydalidae) in Michigan. Great Lakes Entomologist 10(2): 39-46.
Stewart, K.W., G.P. Friday, and R.E. Rhame. 1973. Food Habits of Hellgrammite Larvae, Corydalis cornutus (Megaloptera: Corydalidae), in the Brazos River, Texas. Annals of the Entomological Society of America 66(5): 959-963.
Described by Linnaeus, C. Systema natura per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata [10th Edition]. Tomus I [=Vol. 1]. Laurentii Salvii, Holmiae. (1758).