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Digital Guide to Moth Identification

Erebidae 930855 – 8873   Catocala similis Edwards, 1864              Similar Underwing

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Distribution: See Gall & Borth (2025). Larva and Host Plants: See Gall & Borth (2025). Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: similis Edwards, 1864 (Catocala) - MONA 1983: 8873 aholah Strecker, 1874 (Catocala) amasia (Smith, 1797) (Phalaena) formula Grote & Robinson, 1866 (Catocala) isabella Edwards, 1880 (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] Species Page at Bill Oehlke's moth website - Catocala similis Species Page at BugGuide.Net Species Page at Mass Moths Species Page at iNaturalist

© Machele White © Mark Dreiling © Machele White © Ron Votaw © Robert Zimlich

40mm – © Jim Vargo

© Teá Montagna LG 5th instar on Quercus ilicifolia

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