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Digital Guide to Moth Identification

930264 – 8186   Apantesis williamsii (Dodge, 1871)
             Williams' Tiger Moth

© Lynette Schimming
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Arctia williamsii Dodge, 1871
Arctia determinata Neumögen, 1881
Apantesis villiamsi Hampson, 1901
Apantesis tooele Barnes & McDunnough, 1910
Apantesis confluentis Strand, 1919
Apantesis ophir Barnes & McDunnough, 1910
Taxonomic Notes: Apantesis williamsii (Dodge, 1871) was formerly in the genus Grammia, Systematic Entomology: 41(4): 844-853.
  • Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced.
  • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 46.53m; p. 268. Book Review and ordering
  • Ronka, K., J. Mappes, L. Kaila, N. Wahlberg, 2016. Putting Parasemia in its phylogenetic place: a molecular analysis of the subtribe Arctiina (Lepidoptera). Systematic Entomology, 41(4): 844-853.
  • Species Page at BugGuide.Net
  • Species Page at E. H. Strickland Museum
  • Species Page at Pacific Northwest Moths
Apantesis williamsii
© Jason Dombroskie
Apantesis williamsii
© Ian Maton
Apantesis williamsii
© Marcin Roguski
Apantesis williamsii
– © Gary Anweiler
Apantesis williamsii
– © Gary Anweiler
Apantesis williamsii
33mm – © Jim Vargo

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