Nomada placida Cresson 1863 (roberjeotiana group)

(Fig. 13)

County records: Berrien, Van Buren, Washtenaw.

Notes. Rodeck (1949) in his revision of the subgenus Callinomada documented this species from the mid- Atlantic and Midwest, including records from Carlinville, Illinois and Lafayette, Indiana. Mitchell (1962) subsequently recorded N. placida from Michigan. This late summer-flying Nomada has been recently collected in the state. Hosts should be autumnal, composite-specialist Andrena .

Material examined. Berrien Co.: SWMREC, 21 Aug. 2015, Solidago juncea (2 ♂ MSUC: RI); SWMREC , 27 Aug. 2015, Oligoneuron rigidum (1 ♂ MSUC: RI); SWMREC, 1 Sep. 2015, Oligoneuron rigidum (1 ♂ MSUC: RI); Tuscola Co.: (no locality), 4 Aug. 1946, R.R. Dreisbach (1 ♀ MSUC); Washtenaw Co.: Lodi Twsp., 21 Aug. 2016 (http://bugguide.net/node/view/1279545).