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Idia occidentalis is a species of litter moth of the family Erebidae first described by Smith in 1884. It is found in North America from southern Alberta and British Columbia, south to Colorado, Arizona and California.

Idia occidentalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Idia
Species:	I. occidentalis
Binomial name
Idia occidentalis (Smith, 1884)
Synonyms
Idia lubricalis occidentalis Idia partitalis (Smith, 1908)

It was formerly considered a subspecies of Idia lubricalis.

The wingspan is about 30 mm. Adults are on wing in August in the north.

The insect has a yellow-brown colour, and a "cloudy" pattern. It is said the insect's flight history is from May to October, and that it seems to occupy: dry open areas, arid native grasslands, and badlands.[1]

References

External links

• "Species Details Idia occidentalis". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 13, 2020.
• "930483.00 – 8334.1 – Idia occidentalis – (Smith, 1884)". North American Moth Photographers Group. Mississippi State University. Retrieved January 27, 2020.

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