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Species Euxoa idahoensis - Hodges#10826

Noctuidae: Euxoa  idahoensis - Euxoa idahoensis moth - Euxoa idahoensis moth - Euxoa idahoensis Euxoa idahoensis Noctuidae: Euxoa idahoensis - Euxoa idahoensis Noctuidae: Euxoa idahoensis - Euxoa idahoensis
Show images of: caterpillars · adults · both
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 Euxoa)
No Taxon (detersa group)
Species idahoensis (Euxoa idahoensis - Hodges#10826)
Hodges Number
Synonyms and other taxonomic changes
Euxoa idahoensis (Grote(1), 1878)
Agrotis idahoensis Grote, 1878
Phylogenetic sequence # 933435
Explanation of Names
Named for the state where Henry Edwards collected the holotype.
Forewing length 14–17 mm. (2)
Grote (1878) reported a wingspan of 32 mm.
Central Alaska to Saskatchewan, South Dakota, south to New Mexico and Arizona, and west to central California. (2)
dry coniferous forest; pinyon-juniper woodland and deciduous thickets known as less common habitat (3)
Peck (1981) reported Don Lafontaine had determined the adults seek the shelter of caves in the daytime (trogloxene). (4)
The main flight period appears to be May to September. (5)
The larval host plant is unknown but probably herbaceous vegetation similar to related species species. (2)
See Also
Euxoa costata is described with reddish forewings and the cubital vein not pale. (3)
Euxoa castanea has forewings that are a warmer brown color with a more yellowish costal margin. (2)
Euxoa furtivus was previously considered a form of idahoensis. It is streakier in appearance, has pale branches of the cubital vein and row of black wedges on basal side of ST line. The forewing spots are more often dark-filled. (2)
Print References
Grote, A.R., 1878. Descriptions of Noctuidae, chiefly from California. Bulletin of the United States Geological Survey, 4: 171.
Hampson, G.F., 1903. Noctuidae. Catalogue of Lepidoptera Phalaenae in the British Museum, 6: 295
Lafontaine, J.D., 1987. The Moths of America North of Mexico, Fascicle 27.2. The Wedge Entomological Research Foundation, p. 124; pl. 6.37-43. (3)
Peck, S.B., 1981. The invertebrate fauna of the caves of the Uinta Mountains, northeastern Utah. The Great Basin Naturalist. 210. (4)
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America. University of California Press, plate 57, fig. 36; p. 311. (6)