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Digital Guide to Moth Identification

Noctuidae
932867 – 10275   Polia nimbosa (Guenée, 1852)
             Stormy Arches

© Libby & Rick Avis
Larva and
Host Plants:
Host familiy: Betulaceae Ericaceae Grossulariaceae Salicaceae Sapindaceae.  Host genera: Acer Alnus Betula Gaylussacia Populus Ribes Salix Vaccinium.  Notes: polyphagous on shrubs (Poole 1989); generalist on many hardwood (Crabo et al 2014).  (Shropshire & Douglas 2025)
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:
  • nimbosa (Guenée, 1852) (Aplecta) - MONA 1983: 10275
  • ssp. a. nimbosa (Guenée, 1852) (Aplecta)
  • ssp. b. mystica (Smith, 1898) (Mamestra)
  • ssp. c. mysticoides Barnes & Benjamin, 1924 (Polia)
  • 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.
    • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 55.25m; p. 303. 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 Mass Moths
    • Species Page at Pacific Northwest Moths
    • Species Page at iNaturalist
    Polia nimbosa
    © Robin Mcleod
    Polia nimbosa
    © Dick Wilson - DNA
    Polia nimbosa
    © Chris Adam
    Polia nimbosa
    52mm – © Jim Vargo
    Polia nimbosa
    © Canadian National Collection LG

    Polia nimbosa
    © Chris Adam LG


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