Forest Pests of North America
Native and Non-native insects, diseases, and weeds of urban, managed, and natural forests

saddlebacked looper
Ectropis crepuscularia (Denis & Schiffermuller)

Representative Images(View more at Forestry Images)


saddlebacked looper
Ectropis crepuscularia
Connecticut Agricultural Experiment Station

Taxonomic Rank

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Lepidoptera
Superfamily: Geometroidea
Family: Geometridae
Subfamily: Ennominae
Tribe: Boarmiini
Genus: Ectropis


Common Name Reference: Drooz AT, ed. 1989. Insects of eastern forests. Misc. Publ. 1426. Washington, DC: USDA Forest Service. 608 p.
Scientific Name Reference: R.W. Poole and P. Gentili, Nomina Insecta Nearctica. 1996. Nomina insecta nearctica: a checklist of the insects of North America. Vol. 1-4. Rockville (MD): Entomological Information Services. Available at URL: