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Digital Guide to Moth Identification

Erebidae 930437 – 8264   Ctenucha rubroscapus (Ménétriés, 1857)

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Larva and Host Plants: Host familiy: Apiaceae Cyperaceae Poaceae.  Host genera: Dactylis Elymus Lomatium.  Notes: presumed to use grasses (Powell & Opler 2009); specialist on Poaceae & Cyperaceae (Crabo et al 2014).  (Shropshire & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: rubroscapus (Ménétriés, 1857) (Glaucopis) - MONA 1983: 8264 corvina Boisduval, 1869 (Ctenucha) ochroscapus Grote & Robinson, 1868 (Ctenucha) walsinghamii Edwards, 1873 (Ctenucha)

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. 49.4m; p. 274. 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 Pacific Northwest Moths Species Page at iNaturalist

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