PaleoDB taxon number: 291252
Full reference: T. D. A. Cockerell. 1927. Fossil insects in the British Museum. The Annals and Magazine of Natural History, Ninth Series 20:585-594
Sister taxa: none
Type specimen: BMNH Sternberg 99B, an exoskeleton. Its type locality is Florissant (BMNH Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): body 12.0 x 3.0