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 Perdita ( Perdita ) swenki Crawford, 1915 Counties:Anoka, Becker, Beltrami, Benton, Cass, Chippewa, Clay, Dakota, Douglas, Goodhue, Hennepin, Hubbard, Isanti, Kandiyohi, Marshall, Morrison, Otter Tail, Ramsey, Red Lake , Saint Louis, Scott, Sherburne, Stearns, Wadena, Washington , Yellow Medicine . Genus Protandrena Cockerell Taxonomy: Swenk & Cockerell (1907) ; Stevens (1950) ; Mitchell (1960) ; Timberlake (1964 , 1967 , 1975 , 1976 ). We follow Bossert et al. (2022) in treating Pterosarus and Heterosarus as subgenera of Protandrena .