Ceratina (Zadontomerus) calcarata Robertson, 1900

Counties: Aitkin, Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Brown, Carver, Cass, Chisago, Clay, Clearwater, Crow Wing, Dakota, Douglas, Faribault, Fillmore, Freeborn, Goodhue, Grant, Hennepin, Houston, Hubbard, Isanti, Jackson, Kandiyohi, Koochiching, Lyon, Marshall, Meeker, Mille Lacs, Morrison, Norman, Olmsted, Otter Tail, Pine, Pipestone, Pope, Ramsey, Red Lake, Redwood, Renville, Rock, Roseau, Saint Louis, Scott, Sherburne, Sibley, Stearns, Traverse, Wabasha, Waseca, Washington, Winona, Wright.