Osmia (Osmia) lignaria Say, 1837

Counties: Aitkin, Becker, Carver, Chisago, Clearwater, Hennepin, Houston, Hubbard, Lake of the Woods, Polk, Ramsey, Rice, Wabasha, Washington.

Comments: Minnesota specimens fall under subspecies O. lignaria lignaria .

Genus Paranthidium Cockerell & Cockerell

Taxonomy: Schwarz (1926); Mitchell (1962).

Subgenus Paranthidium Cockerell & Cockerell s. str.