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Xestia smithii, or Smith's dart, is a moth of the family Noctuidae. The species was first described by Pieter Cornelius Tobias Snellen in 1896. It is found across northern North America from Newfoundland to Alaska. In the eastern United States it occurs from Maine to Virginia and south along the Appalachians to North Carolina. In the west it is found in the Black Hills in western South Dakota and north-eastern Wyoming, in the Rocky Mountains from Montana to New Mexico, south-eastern Arizona, and from Washington to east central California. It has recently been recorded from Tennessee.

Xestia smithii
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Noctuidae
Genus:	Xestia
Species:	X. smithii
Binomial name
Xestia smithii (Snellen, 1896)[verification needed]

The dotted clay (X. baja) seems to be closely related, and X. smithii might simply be a Nearctic subspecies of it.

The wingspan is 35–40 mm. Adults are on wing from June to October. There is one generation per year.

The larvae feed on various herbaceous and woody plants, including Fragaria virginiana, Rubus idaeus, Malus, Alnus, Sambucus nigra and Viola. Larvae have been known to cause serious damage to strawberry crops in Washington.

References

• Wagner, David L.; Schweitzer, Dale F.; Sullivan, J. Bolling & Reardon, Richard C. (2011). Owlet Caterpillars of Eastern North America. Princeton University Press. ISBN 978-0691150420.
• McLeod, Robin (March 13, 2018). "Species Xestia smithii - Smith's Dart - Hodges#10944". BugGuide. Retrieved March 24, 2020.
• Pogue, Michael G. (2006). "The Noctuinae (Lepidoptera: Noctuidae) of Great Smoky Mountains National Park, U.S.A." Zootaxa. 1215: 1-95. ISBN 978-1-86977-001-3.
• "933572.00 – 10944 – Xestia smithii – Smith's Dart Moth – (Snellen, 1896)". North American Moth Photographers Group. Mississippi State University. Retrieved March 24, 2020.

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