About Cymatophora approximaria Hübner, 1812
Cymatophora is a genus of moths belonging to the family Geometridae. This genus was erected by Jacob Hübner in 1812. The genus is monotypic, meaning it contains only one single species: the giant gray moth, Cymatophora approximaria Hübner, 1812. This species occurs across North America, and is found most commonly in the southeastern United States. The MONA (also called Hodges) number assigned to Cymatophora approximaria is 6745.