Ornate-tailed Digger Wasp

''Cerceris rybyensis'', the ornate tailed digger wasp, is a Palearctic species of solitary wasp from the family Crabronidae which specialised in hunting small to medium-sized mining bees. It is the type species of the genus ''Cerceris'' and was named as ''Sphex rybyensis'' by Carl Linnaeus in 1771.