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 ( Pyrobombus ) ternarius Say 1837 ( lapponicus group) = Bombus ternarius var. expallidus Cockerell 1916: 9 . ( Michigan holotype ; Fig. 7D ) Holotype . USA : Michigan : Schoolcraft Co. : Floodwood , 20 Jul. 1915 , F.M. Gaige ( NMNH : 40085). County records: Alcona, Alger , Alpena, Arenac, Baraga, Benzie, Charlevoix, Cheboygan, Chippewa, Crawford, Delta, Dickinson, Emmet, Gladwin, Gogebic, Grand Traverse, Gratiot, Houghton, Huron, Ingham, Iosco, Iron, Kalkaska, Kent , Keweenaw, Leelanau, Luce, Mackinac, Marquette, Mason, Mecosta, Menominee, Midland, Missaukee, Montcalm, Montmorency, Oakland, Oceana, Ogemaw, Ontonagon, Oscoda, Otsego, Presque Isle, Roscommon, Saginaw, Schoolcraft, Shiawassee, Van Buren, Wayne, Wexford. Notes. The holotype of B . t . expallidus differs from most B . ternarius in having metasomal terga 2 and 3 entirely yellow ( Cockerell 1916 ; Williams et al. 2014 ). Bumble bees routinely vary in color due to both genetic variation and wear, and it is not currently recognized as a valid taxon.