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 Chelostoma ( Prochelostoma ) philadelphi (Robertson 1891) County records: Allegan, Livingston, St. Joseph, Washtenaw, Wayne. Notes. A native species oligolectic on Philadelphus (Saxifragaceae) . Two non-native Chelostoma are likely to occur in the state (see Appendix 1). Nests in Virginia described by Krombein (Krombein 1959 , 1967 ). Mud is used in cell partitions.