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Digital Guide to Moth Identification

Erebidae
930469 – 8322   Idia americalis (Guenée, 1854)
             American Idia

© John Davis
Larva and
Host Plants:
Host familiy: Apiaceae Fabaceae Pinaceae Vespidae[Insecta] Lichens[none_specified] Detritophagous.  Host genera: Angelica Hedysarum Picea Pseudotsuga Dolichovespula[Insecta] Detritophagous.  Host extended: detritivorous on dead leaves, fir needles, and twigs, ant nests (Powell & Opler 2009), dead leaves (...  (Kimberley & Douglas 2025)
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:
  • americalis (Guenée, 1854) (Helia) - MONA 1983: 8322
  • pulverosa (Smith, 1893) ([unknown])
  • scriptipennis (Walker, 1858) (Microphysa)
  • 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.
    • 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. 42.32f; p. 254. 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 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
    Idia americalis
    © Steve Scott
    Idia americalis
    © John Davis
    Idia americalis
    © David Reed
    Idia americalis
    © Lynette Schimming
    Idia americalis
    © Bob Moul
    Idia americalis
    © Mark Dreiling - DNA
    Idia americalis
    © Carol Wolf
    Idia americalis
    LG – © Jim Troubridge
    Idia americalis
    25mm – © Jim Vargo
    Idia americalis
    25mm – © Jim Vargo
    Idia americalis
    25mm – © Jim Vargo
    Idia americalis
    (labial palpi) – © Jim Vargo

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