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Digital Guide to Moth Identification

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

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Larva and Host Plants: Host familiy: Apiaceae Fabaceae Pinaceae Vespidae[Insecta] Lichens[none_specified] Detritophagous.  Host genera: Angelica Hedysarum Picea Pseudotsuga Dolichovespula[Insecta] Detritophagous.  Notes: detritivorous on dead leaves, fir needles, and twigs, ant nests (Powell & Opler 2009), dead leaves (Kimball 1965); both lichens and dead leaves (Crabo et al 2014); Hedysarum"?" (Heppner 2007).  (Shropshire & Douglas 2025 [accessed 6xii2025]) 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

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