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Digital Guide to Moth Identification

Noctuidae
931489 – 9275   Acronicta lupini (Grote, 1873)
             The Little Bear

© Bob Martin
Taxonomic: Notes Acronicta lupini (Grote, 1873), formerly in the genus Merolonche (Lafontaine & Schmidt 2010), includes as synonyms atlinensis Barnes & Benjamin [9278] (Lafontaine & Schmidt 2010), ursina Smith [9279] (Pohl et al. 2010), and australis Mustelin & Leuschner, 2000 [9275.1] (Schmidt & Anweiler 2020).
Synonymy:
  • lupini (Grote, 1873) (Acronycta) - MONA 1983: 9275; TL: CA, USA.
  • atlinensis (Barnes & Benjamin, 1926) (Merolonche) - MONA 1983: [9278]; TL: Atlin, BC, Canada.
  • australis (Mustelin & Leuschner, 2000) (Merolonche); TL: Sugarloaf Mtn., San Bernardino Co., CA, USA.
  • lupina; McDunnough, 1938 (Acronicta) missp.; TL: (no type).
  • ursina (Smith, 1898) (Merolonche) - MONA 1983: [9279]; TL: CO, USA.
  • ursini; Smith, 1911 (Acronicta) missp.; TL: (no type).
  • Distribution: Canada: YT, NT, BC, AB, MB, QC, NL; USA: WA south to southern CA and west to CO and SD - Schmidt & Anweiler (2020).
    Host Plants: Shropshire & Tallamy (2025) [accessed 6xii2025]: Host familiy: Fabaceae Lamiaceae Rosaceae Valerianaceae.  Host genera: Lupinus Mentha Sorbus Valerianella.  Notes: generalist on low herbaceous vegetation (Crabo et al 2014); probably polyphagous (Schmidt & Anweiler 2020).
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  • Acronicta lupini
    © Dave Wikle
    Acronicta lupini
    - 38mm – © Dave Wikle
    Acronicta lupini
    33mm – © Jim Vargo

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