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Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

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Species Argentostiria koebelei - Hodges#9779

Representative Images

Argentostiria koebelei caterpillar - Argentostiria koebelei Argentostiria koebelei moth caterpillar - Argentostiria koebelei Argentostiria koebelei Mosaic Moth - Argentostiria koebelei beautiful little moth: Argentostiria koebelei - Argentostiria koebelei Argentostiria koebelei Argentostiria koebelei Argentostiria koebelei
Show images of: caterpillars · adults · both

Classification

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 Stiriinae
Tribe Stiriini
Genus Argentostiria
Species koebelei (Argentostiria koebelei - Hodges#9779)

Hodges Number

9779

Synonyms and other taxonomic changes

Argentostiria koebelei (Riley, 1893)
Chalcopasta coebelei Hampson, 1910
Chalcopasta koebelei Riley, 1893
Antaplaga koebelei Riley, 1893
Phylogenetic sequence # 931758

Numbers

nearctica.com lists one species for North America.

Identification

Adults are very unique:


Larva identified by David Wagner, 2022:

Range

Southern California to southern Utah and western Arizona (1)(2)(3)

Season

Adults seen mainly March to early June, but can be found into October when conditions are favorable.

Food

Larvae have been observed feeding on flowers of Psorothamnus schottii and Psorothamnus polydenius. (Bugguide images)

Other records from Wagner et al. on Psorothamnus fremontii and P. arborescens.

Print References

Powell, J.A., and P.A. Opler 2009. Moths of Western North America. pl. 52.22m; p. 290.(4)
Wagner DL, Keegan KL, Wikle DL, Nall B. 2025. Life histories and conservation matters of Stiriini (Noctuidae: Stiriinae) from the American Southwest. Journal of the Lepidopterists' Society. 79(1):26–46. https://doi.org/10.18473/lepi.79i1.a3

Internet References

Wikipedia
Moth Photographers Group
Barcode of Life Data Systems (BOLD)

Works Cited

1.Wikipedia
2.North American Moth Photographers Group
3.BOLD: The Barcode of Life Data Systems
4.Moths of Western North America
Powell and Opler. 2009. UC Press.
Contributed by Maury J. Heiman on 8 January, 2010 - 7:52pm
Additional contributions by Kevin Keegan, Robert H. Biagi
Last updated 10 December, 2025 - 3:44pm

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