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Digital Guide to Moth Identification

Erebidae 930313 – 8138   Spilosoma vagans (Boisduval, 1852)

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Larva and Host Plants: Host familiy: Fabaceae.  Host genera: Lupinus.  Host extended: generalist on various kinds of herbaceous vegetation (Crabo et al 2014); perennial lupines (Powell &...  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: vagans (Boisduval, 1852) (Arctia) - MONA 1983: 8138 ssp. a. vagans (Boisduval, 1852) (Arctia)  bicolor (Walker, 1862) (Rhagonis)  proba (Edwards, 1881) (Antarctia)  punctata (Packard, 1864) (Antarctia)  rufula (Boisduval, 1855) (Nemeophila)  walsinghami (Butler, 1881) (Antarctia) ssp. b. kasloa (Dyar, 1904) (Diacrisia)

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. 47.25m, 47.26m; p. 270. 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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