Megachile (Argyropile) parallela Smith, 1853
Counties: Rock.
Comments: Known in Minnesota from one specimen .
Material examined: Rock Co.: Mound Springs State Park (44.8216 -93.2546): 1 ♀, 15 Sep 1948, H.E. Milliron leg., determined by R. Fischer, confirmed by J. Gardner and Z. Portman .