Biological information and distribution maps are provided for the 26 species of thread-waisted wasps that occur in Michigan. Podium luctuosum is a new state record. Sixty percent of the eastern North America sphecine fauna is represented in Michigan.
O'Brien, Mark F.
"Distribution and Biology of the Sphecine Wasps of Michigan (Hymenoptera: Sphecidae: Sphecinae),"
The Great Lakes Entomologist: Vol. 22
, Article 2.
Available at: http://scholar.valpo.edu/tgle/vol22/iss4/2