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TaxonomyBrowse
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Species Euxoa riversii - Hodges#10868

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