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Digital Guide to Moth Identification

Erebidae 930905 – 8631   Drasteria petricola (Walker, 1858)              Little Arches

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Larva and Host Plants: Host familiy: Fabaceae.  Host genera: Hedysarum.  Host extended: specialist on Hedysarum (Crabo et al 2014).  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: petricola (Walker, 1858) (Euclidia) - MONA 1983: 8631 petricola (Walker, 1858) (Euclidia) ssp. b. athabasca (Neumoegen, 1883) (Syneda)  crockeri; Richards, 1936 (Drasteria) missp.; TL: (no type).  crokeri (Barnes & Benjamin, 1924) (Syneda)

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. Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 44.13f; p. 258. Book Review and ordering 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 E. H. Strickland Museum Species Page at Pacific Northwest Moths Species Page at iNaturalist

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Moth Photographers Group  at the  Mississippi Entomological Museum  at the  Mississippi State University

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