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Palthis angulalis, the dark-spotted palthis, is a moth of the family Erebidae. The species was first described by Jacob Hübner in 1796. It is found from Newfoundland west to coastal British Columbia, south to Florida and Texas.

Palthis angulalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Palthis
Species:	P. angulalis
Binomial name
Palthis angulalis (Hübner, 1796)
Synonyms
Palthis aracinthusalis (Walker, 1859)

The wingspan is 20–26 mm. Adults are on wing from May to August in Alberta. There are two generations in much of the eastern part of its range, three or more generations from Missouri southward.

The larvae feed on various plants, including forbs, woody shrubs and trees (alder, aster, basswood, birch, chestnut, fir, sweetgale, goldenrod, ninebark, rhododendron, scrub oak and spruce).

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.
• "930551.00 – 8397 – Palthis angulalis – Dark-spotted Palthis Moth – (Hübner, 1796)". North American Moth Photographers Group. Mississippi State University. Retrieved March 24, 2020.
• Bartlett, Troy; et al. (May 23, 2017). "Species Palthis angulalis - Dark-spotted Palthis - Hodges#8397". BugGuide. Retrieved March 24, 2020.
• Robinson, E. & Anweiler, G. G. "Species Details Palthis angulalis". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 12, 2020.

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