Rebekah Andrus and Sam Droege
USGS Patuxent Wildlife Research Center

Smithsonian National Museum of Natural History
Washington, D.C.

Terry Griswold and the ARS-USDA Pollinating Insect Collection
Logan, Utah

Support from the Discover Life Team - John Pickering, Rachelle, and Justin

Based on the following publication(s):
C.D. Michener, R.J. McGinley, and B.N. Danforth, The bee genera of North and Central America (Hymentoptera: Apoidea), Smithsonian Institution Press, Washinton and London

K.V. Krombein, P.D. Hurd, Jr,. D.R. Smith, and V.D. Burks, eds., 1979, Catalog of hymenoptera in America North of Mexico, Vol.2. Washington, D.C.: Smithsonian Institute Press

C.D. Michener, 2000, The Bees of the World, Johns Hopkins University Press, Baltimore and London

T. B. Mitchell, 1962, Bees of the Eastern United States, North Carolina Agricultural Experiment Station

If you have questions, comments, or especially corrections please contact Sam at Sam_Droege@usgs.gov or call at 301-497-5840