FIGURE 6 in The bees of Michigan (Hymenoptera: Apoidea: Anthophila), with notes on distribution, taxonomy, pollination, and natural history

FIGURE 6. Michigan holotype material at the National Museum of Natural History, Smithisonian Institution. A) Andrena (Gonandrena) monroensis Mitchell, face (= A. platyparia Robertson). B) Andrena (Leucandrena) bifurcata Mitchell, lateral habitus (= A. erigeniae Robertson). C) Andrena (Gonandrena) dreisbachi Mitchell, face (= A. robertsonii Dalla Torre). D) Andrena (?Leucandrena) chippewaensis Mitchell, dorsal habitus (= A. wheeleri Graenicher). Photographs provided with the permission of the National Museum of Natural History, Smithsonian Institution, 10th and Constitution Ave. N.W., Washington, DC 20560-0193. (http://www.nmnh.si.edu/).