Ceratina (Zadontomerus) calcarata Robertson 1900

Gibbs, Jason, Ascher, John S., Rightmyer, Molly G. & Isaacs, Rufus, 2017, The bees of Michigan (Hymenoptera: Apoidea: Anthophila), with notes on distribution, taxonomy, pollination, and natural history, Zootaxa 4352 (1), pp. 1-160 : 66

Ceratina (Zadontomerus) calcarata Robertson 1900

County records: Alger, Allegan, Antrim, Barry, Bay, Berrien, Branch, Cass, Charlevoix, Cheboygan, Clinton, Eaton, Emmet, Gogebic, Grand Traverse, Gratiot, Huron, Ingham, Ionia, Iosco, Iron, Jackson, Kalamazoo, Kalkaska, Kent, Keweenaw, Lake, Lapeer, Leelanau, Lenawee, Livingston, Macomb, Mason, Mecosta, Missaukee, Montcalm, Newaygo, Oakland, Oceana, Osceola, Ottawa, Saginaw, Sanilac, Shiawassee, St. Clair, Tuscola, Van Buren, Washtenaw, Wayne.

Notes. Nesting biology and behavior described by Rehan & Richards (2010, 2013) and Kislow (1976) in Ontario and Georgia, respectively. This was the second most abundant wild bee netted from sour cherry flowers in commercial orchards ( Gibbs et al. 2017).