PaleoDB taxon number: 195021
Full reference: W. Beutenmüller and T. D. A. Cockerell. 1908. Taxonomic descriptions; Fossil Insects from Florissant, Colorado. Bulletin of the American Museum of Natural History 24:59-69
Type specimen: AMNH Fl 18827, an exoskeleton. Its type locality is Florissant, Station 14, which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): body 22.0 x 4.5, forewing 39.0 x 26.0