Andrena (Tylandrena) perplexa Smith 1853

County records: Allegan, Berrien, Calhoun, Cass, Clinton, Eaton, Genesee, Gladwin, Ingham, Ionia, Jackson, Kalamazoo, Kent, Lapeer, Livingston, Midland, Newaygo, Oceana, Ottawa, Shiawassee, St. Joseph, Tuscola, Van Buren, Washtenaw.

Notes. Nesting biology and immatures studied by Stephen (1966a, b) in Oregon and nests from Washington D.C. described by Parker & Böving (1924).