About Cerceris tuberculata (de Villers, 1789)
Cerceris tuberculata is the largest species in the genus Cerceris in Europe, and adults can reach a body length of 17–22 millimetres (0.67–0.87 inches). Adult females of this species dig nests in soil, at a depth of approximately 50 centimeters. They provision these nests with living prey that they have paralyzed using venom; common prey items are weevils from the genus Cleonis. Adult C. tuberculata are active in flight from mid-July to September. They feed on nectar from flowers, most commonly those in the Apiaceae and Asteraceae families. This species is distributed in Albania, Bulgaria, Croatia, France, Greece, Hungary, Italy, Portugal, Russia, Spain, and former Yugoslavia.