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Digital Guide to Moth Identification

Pieridae
77a0449 – 4200   Euchloe ausonides (Lucas, 1852)
Distribution Data for Euchloe ausonides
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Larva and
Host Plants:
Host familiy: Brassicaceae.  Host genera: Arabis Barbarea Boechera[=Arabis] Berteroa Brassica Caulanthus[=Guillenia] Descurainia Draba Erysimum Hirschfeldia Isatis Lepidium Raphanus Sinapis Sisymbrium Turritis[=Arabis].  Notes: larvae eat flower buds, flowers & growing fruits, rarely leaves (Scott 2020).  (Shropshire & Douglas 2025)
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:
  • ausonides (Lucas, 1852) (Anthocharis) - MONA 1983: 4200
  • ausonides (Boisduval, 1852) (Anthocharis)
  • ssp. a. ausonides (Lucas, 1852) (Anthocharis)
  • boharti Doudoroff, 1930 (Euchloe)
  • flavidalis Comstock, 1924 (Euchloe)
  • semiflava Comstock, 1924 (Euchloe)
  • ssp. b. insulanus Guppy & Shepard, 2001 (Euchloe)
  • ssp. c. transmontana Austin & Emmel, 1998 (Euchloe)
  • hemiflava Field, 1936 (Euchloe)
  • ssp. d. coloradensis (Edwards, 1881) (Anthocharis)
  • montana Verity, [1911] (Euchloe)
  • ssp. e. palaeoreios Johnson, 1976 (Euchloe)
  • ssp. f. mayi Chermock & Chermock, 1940 (Euchloe)
  • ssp. g. ogilvia Back, 1991 (Euchloe)
  • References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)
    • Barcode of Life (BOLD) - Caution: Identifications often erroneous; DNA barcode provides evidence of relatedness, not proof of identification; many specimens not sequenced.
    • Shropshire, K.J. & D.W. Tallamy, 2025. Lepidoptera of North America, north of Mexico: an annotated list containing geographic ranges and host-plant records. ZooKeys, 1261: 101-113; Suppl. 1. (PDF or read online)
    • Species Page at BugGuide.Net
    • Species Page at iNaturalist
    • Species Page at the Butterflies of America

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