About Scopula junctaria (Walker, 1861)
Scopula junctaria, commonly known as the simple wave, is a moth species belonging to the family Geometridae. This species was first formally described by Francis Walker in 1861. It is distributed across all of Canada and the northern region of the United States, ranging south to the states of Maryland, Arizona, and California. The wingspan of adult individuals measures between 20 and 26 millimetres, equal to 0.79 to 1.02 inches. Adult moths are active in flight from late May through August. There is only one generation of this moth produced each year. The larvae of Scopula junctaria feed on a variety of plant species, including chickweed, clover, and elm.
