PaleoDB taxon number: 208833
Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734
Type specimen: Lee coll 106, an exoskeleton (body broken across elytra). Its type locality is Green River (Lee Collection), which is in a Bridgerian lacustrine - large diatomite/shale in the Green River Formation of Wyoming.
Average measurements (in mm): antennae length 0.500, body 2.40 x 0.75