Crabro larvatus (WESMAEL,1852); Crabro microstictus (HERRICH-SCHÄFFER,1841); Crabro pumilus (COSTA,1871)
One of the smaller Ectemnius species, resembling a small E. continuus, but much less frequent.
Widely recorded in southern England as far north as Northamptonshire and west to Dorset and Somerset. There are several records for the south coast of Wales, but the wasp is unknown from the south-west of England. Recorded from Europe, North Africa, Caucasus, Kazakhstan, north-eastern China and Japan.