Mimesa borealis DAHLBOM 1842; Mimumesa oresterus VAN LITH 1976; Mimesa palliditarsis SAUNDERS 1904
This species is morphologically very similar to M. littoralis. Recent appraisals of the differences between the two can be found in Else & Felton (1994) and a rigorous statistical examination in Budrys (2001). This species was only formally added to the British list by Else & Felton in 1994, although the species was first taken by O W Richards in 1950, but mis-identified as M. spooneri. This species is listed in older literature under the genus Psen.
First recorded from several of the famous chines on the Isle of Wight, this wasp is now known to occur also in South Hants, West Sussex, Kent, Oxfordshire and South Essex. It has been recorded from Jersey. Falk (1991) refers to records from Dorset, but this was a mis-identification of M. littoralis.
Overseas, the species is sporadic and rare in Fennoscandia, but widely distributed in Europe, Asia Minor and southern Siberia (Lomholdt 1984).