Scopula junctaria

Scopula junctaria, the simple wave, is a moth of the family Geometridae. The species was first described by Francis Walker in 1861.^[1] It is found in the whole of Canada and the northern United States, south to Maryland, Arizona, and California.

Scopula junctaria
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Geometridae
Genus:	Scopula
Species:	S. junctaria
Binomial name
Scopula junctaria (Walker, 1861)
Synonyms
Acidalia junctaria Walker, 1862 Synelys impunctata Warren, 1904 Synelys vestalialis Barnes & McDunnough, 1913 Scopula quinquelinearia (Packard, 1871) Scopula impunctata (Warren, 1904) Scopula vestalialis (Barnes & McDunnough, 1913) Scopula johnsonaria McDunnough, 1941

The wingspan is 20–26 millimetres (0.79–1.02 in). Adults are on wing from late May to August. There is one generation per year.

The larvae feed on various plants, including chickweed, clover and elm.

Subspecies

• Scopula junctaria junctaria
• Scopula junctaria quinquelinearia (Packard, 1871)
• Scopula junctaria johnstonaria McDunnough, 1941