Insecta - Hymenoptera - Vespidae

Alternative combination: Didineis solidescens

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

Belongs to Alastor according to Evans 1966

See also Scudder 1890

Sister taxon: Alastor rottensis

Type specimen: Packard 132(263), an exoskeleton. Its type locality is Green River (Packard Collection), which is in a Bridgerian lacustrine - large diatomite/shale in the Green River Formation of Wyoming.

Distribution: found only at Green River (Packard Collection)

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Specimen images are retrieved through the ePANDDA API.