The bees of Michigan (Hymenoptera: Apoidea: Anthophila), with notes on distribution, taxonomy, pollination, and natural history Author Gibbs, Jason Author Ascher, John S. Author Rightmyer, Molly G. Author Isaacs, Rufus text Zootaxa 2017 2017-11-21 4352 1 1 160 journal article 31367 10.11646/zootaxa.4352.1.1 543c4afc-4ffb-4e11-a858-a6d1d9745214 1175-5326 1063854 7C684128-FFA7-48AA-B395-B9C6BC39353A Bombus ( Psithyrus ) citrinus ( Smith 1854 ) ( citrinus group) County records: Alger , Allegan, Alpena, Antrim , Arenac, Barry, Bay, Berrien, Calhoun, Cass, Cheboygan, Chippewa, Clinton, Delta, Dickinson, Emmet, Genesee, Gladwin, Grand Traverse, Gratiot, Hillsdale, Huron, Ingham, Ionia, Isabella, Jackson, Kalamazoo, Kalkaska, Kent , Keweenaw, Lake, Lapeer, Lenawee, Livingston, Luce, Mackinac, Macomb, Marquette, Mecosta, Menominee, Midland, Missaukee, Monroe, Montcalm, Muskegon, Newaygo, Oakland, Oceana, Osceola, Oscoda, Otsego, Ottawa, Presque Isle, Roscommon, Saginaw, Schoolcraft, Shiawassee, St. Joseph, Tuscola, Van Buren, Washtenaw, Wayne, Wexford. Notes. Social parasite of B . impatiens , B . bimaculatus and B . vagans .