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Species Euxoa riversii - Hodges#10868

Representative Images

Euxoa sp.? - Euxoa riversii
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 Noctuinae (Cutworm or Dart Moths)
Tribe Noctuini
Subtribe Agrotina
Genus Euxoa
No Taxon (Subgenus Orosagrotis)
No Taxon (wilsoni group)
Species riversii (Euxoa riversii - Hodges#10868)

Hodges Number

10868

Synonyms and other taxonomic changes

Carneades perexcellens var. riversii Dyar, 1903

Size

Forewing length: 17-21 mm. (1)

Identification

This species is the southern counterpart of E. wilsoni and can be distinguished from that species by its paler coloration and genital characteristics. It has similar forms to wilsoni. Essentially, most riversii specimens look like bleached wilsoni. In general, riversii is larger and has narrower forewings than does wilsoni. (1)

Range

Coastal southern California from Los Angeles County southward to San Diego; it also occurs on the Channel Islands as far north as San Miguel Island. (1)

Season

Adults have been collected from early May to early August. (1)

See Also

Euxoa wilsoni

Print References

Lafontaine, J. D., 1987. Moths of America North of Mexico, Fascicle 27.2: p. 155; pl. 8.58-60 (1)

Internet References

Moth Photographers Group (MPG) (2)
The Barcode of Life Data Systems (BOLD) (3)

Works Cited

1.The Moths of America North of Mexico, Noctuoidea, Noctuidae (Part), Noctuinae (Part-Euxoa), Fascicle 27.2
J. Donald LaFontane. 1987. The Wedge Entomological Research Foundation.
2.North American Moth Photographers Group
3.BOLD: The Barcode of Life Data Systems
Contributed by Kyhl Austin on 18 April, 2016 - 5:22pm

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