A checklist of the bees (Hymenoptera: Apoidea) of Minnesota Author Portman, Zachary M. lanex173@umn.edu Author Gardner, Joel clickbeetle3364@gmail.com Author Lane, Ian G. lanex173@umn.edu Author Gerjets, Nicole nicole.gerjets@state.mn.us Author Petersen, Jessica D. nicole.gerjets@state.mn.us Author Ascher, John S. dbsajs@nus.edu.sg Author Arduser, Mike arduser.michael@gmail.com Author Evans, Elaine C. lanex173@umn.edu Author Boyd, Crystal nicole.gerjets@state.mn.us Author Thomson, Robin lanex173@umn.edu Author Cariveau, Daniel P. lanex173@umn.edu text Zootaxa 2023 2023-06-16 5304 1 1 95 http://dx.doi.org/10.11646/zootaxa.5304.1.1 journal article 56537 10.11646/zootaxa.5304.1.1 b856cb6e-4795-4028-8c84-240be130e150 1175-5326 8048569 B5EED376-4655-4292-A52F-22567196D94D Osmia ( Melanosmia ) nigriventris (Zetterstedt, 1838) Counties: Lake, Saint Louis. Comments : This rare Holarctic species is known in Minnesota from two specimens collected in 1936 and 2021. Material examined: Lake Co. : 1 ♀ , 20 Jun 1936 , R . H. Daggy leg., det. T . Mitchell and conf. J. Gardner ; Saint Louis Co. : Superior NF ( 47.6883 , -92.8195 ): 1 ♀ ( MNDNR ), 23 Jun 2021 , J. Greenlee leg., pantraps, det. Z. Portman.