Sphecodes fattigi Mitchell 1956 ( mandibularis group)

Holotype. ♂ USA, Florida, Gainesville, 25 Apr. 1921, P. W. Fattig (CUIC).

= Sphecodes prostygius Mitchell, 1960 (New synonymy)

Holotype. ♀ USA, New Hampshire, Meredith Center, 3 Aug. 1957, Solidago, R. A Morse (CUIC).

County records: Alger, Clinton, Lake, Missaukee, Van Buren.

Notes. This unpublished synonymy by M. Arduser has been applied in databases and implicitly in other studies but has not been formally stated.