Mimesa belgica BONDROIT 1932; Mimesa carbonaria TOURNIER 1899; Mimesa longula GUSSAKOVSKIJ 1932; Psen sameshimai YASUMATSU 1937
The first British specimen of this wasp was collected in 1950, although it was not correctly determined as such until 1975. The females comprise the largest specimens of this genus in Britain.
In Britain, this wasp has only been recorded along the south coast of the Isle of Wight.
Common in central and southern Europe. It has also been recorded from Japan (Lomholdt, 1984).