Nomada sobrina Mitchell 1962 (ruficornis group)

Nomada sobrina Mitchell, 1962: 431 . (Michigan holotype; Fig. 12D)

Holotype. ♂ USA: Michigan: Macomb Co.: 28 May 1949, R.R. Dreisbach (NMNH: 75225).

County records: Macomb.

Notes. The taxonomy and identification of this species requires additional study. The extensive red on the mesoscutum and yellow markings on the mesoscutellum and metasoma are reminiscent of Midwestern N. bethunei Cockerell (Droege et al. 2010) .