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Digital Guide to Moth Identification

Geometridae
91a1022 – 6639   Eufidonia discospilata (Walker, 1862)
             Sharp-lined Powder Moth
Distribution Data for Eufidonia discospilata
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Larva and
Host Plants:
Host familiy: Betulaceae Adoxaceae[Caprifoliaceae] Ericaceae Myricaceae Pinaceae Rosaceae Salicaceae.  Host genera: Alnus Betula Comptonia Crataegus Kalmia Myrica Picea Pinus Prunus Rhododendron[=Ledum] Salix Spiraea Tsuga Vaccinium Viburnum.  Notes: various shrubs & small trees found in bogs or barrens (Powell & Opler 2009); other deciduous plants (Wagner 2005).  (Shropshire & Douglas 2025)
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:
  • discospilata (Walker, 1862) (Fidonia) - MONA 1983: 6639
  • quadripunctata (Morrison, 1874) (Fidonia)
  • 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.
    • Morrison, H.K., 1873-1874. New North American Lepidoptera. Proceedings of the Boston Society of Natural History, 16: 199.
    • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 28.27m; p. 210. 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 BugGuide.Net
    • Species Page at E. H. Strickland Museum
    • Species Page at Mass Moths
    • Species Page at iNaturalist
    Eufidonia discospilata
    © Larry Line
    Eufidonia discospilata
    © Janice Stiefel
    Eufidonia discospilata
    © Steve Nanz
    Eufidonia discospilata
    © Jason Dombroskie
    Eufidonia discospilata
    © Jason Dombroskie
    Eufidonia discospilata
    LG – © Jim Troubridge
    Eufidonia discospilata
    LG – © Jim Troubridge
    Eufidonia discospilata
    23mm – © Jim Vargo
    Eufidonia discospilata
    © Canadian National Collection LG


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