Full reference: C. T. Brues. 1910. The Parasitic Hymenoptera of the Tertiary of Florissant, Colorado. Bulletin of the Museum of Comparative Zoology, Harvard College LIV(1)
Type specimen: AMNH A90, an exoskeleton. Its type locality is Florissant (AMNH Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): Body length 5.50