PaleoDB taxon number: 195534
Full reference: T. D. A. Cockerell. 1921. Eocene Insects from the Rocky Mountains. Proceedings of the United States National Museum 57:233-260
Type specimen: USNM 66552, an exoskeleton. Its type locality is Roan Mountain (Scudder Coll), which is in a Bridgerian lacustrine - large shale in the Green River Formation of Colorado.
Average measurements (in mm): forewing 10.0 x 3.0