A new genus of fossil digger wasps (Insecta: Hymenoptera, Crabronidae) from the Upper Eocene of Florissant, USA

详细

A new digger wasp, Florimena impressa gen. et sp. nov. (Hymenoptera: Crabronidae, Pemphredoninae), from the Upper Eocene shales of Florissant (Colorado, United States) is described. It is distinguished from all known members of the subtribe Spilomenina by the convex frons and in regularly rounded propodeum without a distinct bend between the upper and posterior sides.