We present records of Diceroprocta vitripennis, Tibicen chloromera, and Tibicen pruinosa (new state record) in Michigan. Monitoring geographic range changes and population size differences by song suggests several population situations for cicadas: (1) sizable populations in most areas of apparently good habitat; (2) widely separated single individuals or small populations on the edges of populated regions, representing range extensions that may be of limited duration; (3) one or a few individuals present only once, probably transferred in soil on roots, and ultimately unsuccessful. Species- specific calling songs allow sensitive measurement of species' range changes.
Marshall, David Ciszek; Cooley, John R.; Alexander, Richard D.; and Moore, Thomas E.
"New Records of Michigan Cicadidae (Homoptera), With Notes on the Use of Songs to Monitor Range Changes,"
The Great Lakes Entomologist: Vol. 29
, Article 7.
Available at: https://scholar.valpo.edu/tgle/vol29/iss3/7