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Species Spodoptera exigua - Small Mottled Willow - Hodges#9665

Caterpillars - Spodoptera exigua Caspers Moths #2 - Spodoptera exigua Caterpillar - Spodoptera exigua Spodoptera exigua Armyworm Moth sp? - Spodoptera exigua Lepidoptera --? - Spodoptera exigua Small Mottled Willow Moth - Spodoptera exigua Spodoptera exigua
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Prodeniini
Genus Spodoptera (Armyworms)
Species exigua (Small Mottled Willow - Hodges#9665)
Hodges Number
Other Common Names
Beet Armyworm (US name, referring to larva)
Synonyms and other taxonomic changes
Spodoptera exigua (Hübner, [1808])
Noctua exigua Hübner, [1808]
* phylogenetic sequence #932215
Eleven Spodoptera species are found in America north of Mexico.(1)
Forewing length 11-12 mm.(2)
Found throughout North America; more common in southern states.
Native to southeast Asia; first discovered in North America about 1876.
Moth Photographers Group - large range map with some collection dates.
Bug Guide - map of photo records submitted to the guide.
Adults can be found year round in the southern states and most records from northern areas are from July to October.
Larvae feed on leaves of a variety of vegetables and weeds.
Considered a serious pest. It feeds on asparagus, beans and peas, sugar and table beets, celery, cole crops, lettuce, potato, tomato, cotton, cereals, oilseeds, tobacco, many flowers, and many of weed species.
Print References
Lafontaine, J. D. & B. C. Schmidt 2010. Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America North of Mexico. p.71 (1)
Mitchell, E.R. 1979. Migration by Spodoptera exigua and S. frugiperda, North America style, Pp. 386-393. In: Rabb, L.R. & G.G. Kennedy (eds.). Movement of highly mobile insects: Concepts and methodology research. North Carolina State University.
Powell, J. A. & P. A. Opler 2009. Moths of Western North America. University of California Press. p.294, pl.52.55 (2)
Internet References
Moth Photographers Group - range map, some collection records, living and pinned adults.
BOLD - Barcode of Life Data Systems - collection map and photos of pinned adults.
pinned adult images (Bruce Walsh, Moths of Southeastern Arizona)
Moth Photographers Group - photo of pinned adult and related species.
Works Cited
1.Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico.
Donald J. Lafontaine, B. Christian Schmidt. 2010. ZooKeys 40: 1–239 .
2.Moths of Western North America
Powell and Opler. 2009. UC Press.