ammonites
Archisphex curvus Rasnitsyn and Jarzembowski 1998 (digger wasp)

Insecta - Hymenoptera - Sphecidae

Full reference: A. P. Rasnitsyn and E. A. Jarzembowski. 1998. Systematic part, in Wasps (Insecta: Vespida = Hymenoptera) from the Purbeck and Wealden (Lower Cretaceous) of southern England and their biostratigraphical and palaeoenvironmental significance. Cretaceous Research 19:329-391

Belongs to Archisphex according to A. P. Rasnitsyn and E. A. Jarzembowski 1998

Sister taxa: Archisphex beiboziensis, Archisphex boothi, Archisphex catalunicus, Archisphex crowsoni, Archisphex incertus, Archisphex proximus, Archisphex venulosus

Type specimen: BMB 018504, a forewing. Its type locality is Auclaye Brickworks, between Beds 3a-3c, which is in a Barremian lagoonal claystone in the Weald Formation of the United Kingdom.

Ecology:

Average measurements (in mm): forewing length 5.60