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Digital Guide to Moth Identification

Depressariidae
59a0169 – 0962   Ethmia umbrimarginella Busck, 1907
Distribution Data for Ethmia umbrimarginella
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Taxonomic: Notes Ethmia umbrimarginella Busck, 1907: This species was reported from TX by Shropshire & Tallamy (2025), based on a record in southern TX in Powell & Opler (1996). The species is otherwise unknown north of the Yucatan Peninsula, so that record is deemed erroneous herein.
Synonymy:
  • umbrimarginella Busck, 1907 (Ethmia) - MONA 1983: 962; TL: Las Cruces, NM.
  • Similar  : Species
    • 59a0170 Ethmia lassenella: is smaller (wingspread = ~20mm vs. ~17-18mm) and lacks a longitudinal orange streak extending centrally from base to end of cell.
    • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
    References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)
    • Busck, A., 1907. New American Tineina. Proceedings of the Entomological Society of Washington, 8(3-4): 94.
    • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 5.19f; p. 68. Book Review and ordering
    • Powell, J.A. & P.A. Opler, 1996. Distribution of "Oecophoridae" (sense of Hodges 1983) of Western North America. Moths of Western North America, 4: 1-8. (abstract and PDF)
    • Powell, J.A., 1973. A Systematic Monograph of New World Ethmiid Moths (Lepidoptera: Gelechioidea). Smithsonian Contributions to Zoology, 120: 1-302. (PDF)
    • 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 iNaturalist
    • U.S. National Entomological Collection (USNM) - Holotype ♂ (genitalia)
    Ethmia umbrimarginella
    CalPhotos – © Jerry Powell
    Ethmia umbrimarginella
    - holotype - LG – holotype - (cc) U. S. National Museum

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