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Digital Guide to Moth Identification

Erebidae 930806 – 8821   Catocala semirelicta Grote, 1874              Semirelict Underwing

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Distribution: See Gall & Borth (2025). Larva and Host Plants: See Gall & Borth (2025). -- Host familiy: Salicaceae.  Host genera: Populus Salix.  Host extended: specialist on Salix & Populus (Crabo et al 2014); foliage (Wagner 2005).  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: semirelicta Grote, 1874 (Catocala) - MONA 1983: 8821 ssp. a. semirelicta Grote, 1874 (Catocala)  atala Cassino, 1918 (Catocala) ssp. b. hippolyta Strecker, 1874 (Catocala) - MONA 1983: [8823]  hippolyta Edwards, 1875 (Catocala)  montana Beutenmüller, 1907 (Catocala)  nevadensis Beutenmüller, 1907 (Catocala) - MONA 1983: [8820]  nigra Eastman, 1916 (Catocala)  pura Hulst, 1880 (Catocala) - MONA 1983: [8819]  walteri Schwarz, 1923 (Catocala)

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. Gall, L. & R. Borth, 2025. Underwing Moths (Catocala) & Larvae: A companion guide for iNaturalists, Website. [accessed on 7 October 2025] Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 45.9m; p. 262. 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 Bill Oehlke's moth website - Catocala semirelicta 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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