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Species Euxoa obeliscoides - Obelisk Dart - Hodges#10817

moth - Euxoa obeliscoides An Euxoa sp. - Euxoa obeliscoides Obelisk Dart - Hodges#10817 - Euxoa obeliscoides Obelisk Dart Moth - Euxoa obeliscoides obelisk dart - Euxoa obeliscoides obelisk dart - Euxoa obeliscoides  Euxoa obeliscoides - Euxoa obeliscoides Obelisk Dart - Euxoa obeliscoides
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 Euxoa)
Species obeliscoides (Obelisk Dart - Hodges#10817)
Hodges Number
10817
Synonyms and other taxonomic changes
Euxoa obeliscoides (Guenée, 1852)
Agrotis obeliscoides Guenée, 1852
Phylogenetic sequence # 933428 (1)
Numbers
Size
Forewing length 14-18 mm.
Identification
forewing with dirty white strip along costa from base to reniform spot; an adjacent black strip provides a contrasting background for the large pale yellowish reniform and orbicular spots; claviform spot cone-shaped, dark gray; medium gray triangular area along inner margin tapers from base to near anal angle; subterminal area pale gray (or reddish-brown in female [?]); terminal band medium gray with jagged inner margin and slightly paler patch at apex; top of thorax with large pale central patch surrounded by darker area
hindwing white with diffuse gray terminal band (or solid brownish-gray, slightly darker distally in female [?])
Range
British Columbia to Quebec and Maine, south in the east to New England and Illinois, south in the west to California, Arizona, New Mexico, Texas
Habitat
sandy pine forest, dry aspen parkland, riparian cottonwood stands
Season
adults fly from July to September
Food
larval food plant(s) unknown
Life Cycle
one generation per year; overwinters as an egg
See Also
extremely similar to - and indistinguishable from photos of - E. oberfoelii, which occurs in southern Saskatchewan and North Dakota
superficially resembles Flame-shouldered Dart (Ochropleura implecta) but that species has small dark reniform and orbicular spots, and a more uniformly dark brown forewing
Print References
Guenée, 1852. Noctuidae 1: 293, 477.