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Digital Guide to Moth Identification

91a0337 – 7438   Operophtera occidentalis (Hulst, 1896)

John Davis -
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Rachela occidentalis Hulst, 1896
Rachela hyperborea Hulst, 1896
Rachela latipennis Hulst, 1896
Taxonomic Notes: Operophtera occidentalis: Operophtera bruceata occidentalis (Hulst, 1896), listed in Hodges et al. (1983) (Checklist) as a full species, was synonymized as a subspecies of Operophtera bruceata (Hulst, 1886) in Troubridge & Fitzpatrick (1993). This species is treated as a full species in Pohl et al. (2016) (unpublished provisional checklist) and Pohl et al. (2018) following findings in Gwiazdowski et al. (2013), Ann. Entomol. Soc. Am. 106(2): 143-151.
  • Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced.
  • Gwiazdowski, R.A., J.S. Elkinton, J.R. Dewaard, M. Sremac, 2013. Phylogeographic Diversity of the Winter Moths Operophtera brumata and O. bruceata (Lepidoptera: Geometridae) in Europe and North America. Annals of the Entomological Society of America, 106 (2): 143-151.
  • Pohl, G.R., J-F. Landry, B.C. Schmidt, J.D. Lafontaine, J.T. Troubridge, A.D. Macaulay, E. van Nieukerken, J.R. deWaard, J.J. Dombroskie, J. Klymko, V. Nazari, K. Stead, 2018. Annotated checklist of the moths and butterflies (Lepidoptera) of Canada and Alaska. Pensoft, 1-580; PDF, Hardback.
  • Species Page at BugGuide.Net
Operophtera occidentalis
Dick Wilson -
Operophtera occidentalis
Jim Johnson - LG -
Operophtera occidentalis
Jim Johnson -

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