Diploplectron peglowi is recorded from Michigan for the first time. Collecting data indicate that D. peglowi is probably bivoltine and widespread but not common within the state. This is only the second state east of the Mississippi River in which D. peglowi has been found.
O'Brien, Mark F.
"Diploplectron Peglowi, A New Record for Michigan (Hymenoptera: Sphecidae: Astatinae),"
The Great Lakes Entomologist, vol 17
Available at: https://scholar.valpo.edu/tgle/vol17/iss2/11