An account, with known flight periods indicated, of 165 species of Geometridae concludes listing of the "macrolepidoptera" from the northern tip of the Lower Peninsula of Michigan. About 44OJo of these are previously unreported for the region, and 12 species are previously unreported for Michigan in earlier lists for the state.
Voss, Edward G.
"Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), Michigan: IV. Geometridae (Lepidoptera),"
The Great Lakes Entomologist: Vol. 24
, Article 11.
Available at: http://scholar.valpo.edu/tgle/vol24/iss3/11