Cerceris tuberculata

Cerceris tuberculata is a species of wasp in the family Crabronidae.

Description
Cerceris tuberculata, the largest representative of the genus in Europe, can reach a length of 17 - 22 mm.

The adult female of Cerceris tuberculata digs a nest in the soil at a depth of about 50 cm. and provisions it with living prey items she has paralyzed with venom. Prey items are commonly weevils of the genus Cleonis.

Adults fly from mid-July to September. They feed on the nectar of flowers (usually Apiaceae and Asteraceae).

Distribution
This species is present in Albania, Bulgaria, Croatia, France, Greece, Hungary, Italy, Portugal, Russia, Spain and former Jugoslavia.