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Digital Guide to Moth Identification

Erebidae 930762 – 8771   Catocala piatrix Grote, 1864              Penitent Underwing

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© Mark Dreiling - DNA Large Map & Chart Report Errors About Maps

Distribution: See Gall & Borth (2025). Larva and Host Plants: See Gall & Borth (2025). -- Host familiy: Ebenaceae Juglandaceae Salicaceae Oleaceae.  Host genera: Diospyros Salix Carya Juglans Fraxinus.  Host extended: foliage (Wagner 2005).  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: piatrix Grote, 1864 (Catocala) - MONA 1983: 8771 ssp. a. piatrix Grote, 1864 (Catocala) ssp. b. dionyza Edwards, 1884 (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] Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history) Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 45.1m; p. 261. 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 piatrix Species Page at Block Island Moths Species Page at BugGuide.Net Species Page at Mass Moths Species Page at Pacific Northwest Moths Species Page at iNaturalist

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