ammonites
Pimpla senilis Brues 1910 (ichneumon wasp)

Insecta - Hymenoptera - Ichneumonidae

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)

Belongs to Pimpla according to C. T. Brues 1910

Sister taxa: Pimpla anomalensis, Pimpla antiqua, Pimpla antiquus, Pimpla appendigera, Pimpla aquensis, Pimpla bibosa, Pimpla decessa, Pimpla eocenica, Pimpla indura, Pimpla morleyi, Pimpla morticina, Pimpla rediviva, Pimpla revelata, Pimpla saussurei, Pimpla saxea, Pimpla senecta, Pimpla seyrigi

Type specimen: MCZ 2160, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Ecology:

Average measurements (in mm): Body length 8.50