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Digital Guide to Moth Identification

Erebidae 930841 – 8857   Catocala ultronia (Hübner, 1823)              Ultronia Underwing

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Distribution: See Gall & Borth (2025). Larva and Host Plants: See Gall & Borth (2025). -- Host familiy: Rosaceae.  Host genera: Crataegus Malus Prunus Pyrus.  Notes: specialist feeding on Rosaceae (Crabo et al 2014); foliage (Wagner 2005); [Cornus Quercus Fraxinus Pyrus Populus & Tilia records may be questionable] [exclude Cornus Quercus Fraxinus Populus & Tilia]....  (Shropshire & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: ultronia (Hübner, 1823) (Eunetis) - MONA 1983: 8857 adriana Edwards, 1880 (Catocala) celia Edwards, 1880 (Catocala) lucinda Beutenmüller, 1907 (Catocala) mopsa Edwards, 1880 (Catocala) nigrescens Cassino, 1917 (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] 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 ultronia Species Page at Block Island Moths Species Page at BugGuide.Net Species Page at E. H. Strickland Museum Species Page at Mass Moths Species Page at Pacific Northwest Moths Species Page at iNaturalist

© David Reed © Carroll Rudy - f. lucinda © Forest Barnas © Tom Murray © Carol Wolf

© Gary Anweiler 55mm – © Jim Vargo 55mm – © Jim Vargo

© George Smiley LG on Mexican Plum (Prunus mexicana) © Teá Montagna LG 5th instar on Prunus serotina

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