The spirobolid milliped Narceus americanus annularis Rafmesque 1820 is common and widespread throughout the eastern United States and Canada (Keeton 1960, Shelley 1988, Hoffman 1990). It has previously been recorded \ from Wisconsin. Cahn (1915) reported it from the Wingra Springs region in \ central Dane County, and Keeton (1960) reported it from Clark and Sauk Counties.
Watermolen, Dreux J.
"Distribution of the Milliped Narceus Americanus Annularis (Spirobolida: Spirobolidae) in Wisconsin,"
The Great Lakes Entomologist, vol 28
Available at: https://scholar.valpo.edu/tgle/vol28/iss3/7