Coelioxys (Xerocoelioxys) immaculatus Cockerell, 1912

Counties: Mille Lacs, Saint Louis.

Comments: There is a specimen in the UMSP determined by Baker, though it is not listed in the Baker (1975) revision.

Genus Dianthidium Cockerell

Taxonomy: Mitchell (1962); Grigarick & Stange (1968); Semmler et al. (2018).

Subgenus Dianthidium Cockerell s. str.