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Digital Guide to Moth Identification

931308 – 9085   Ponometia semiflava (Guenée, 1852)
             Half-yellow Moth

© Jeff Hollenbeck
Distribution: Type locality: North America.
Similar Species:
  • Ponometia bicolorata (Barnes & McDunnough, 1912)
  • Ponometia clausula (Grote, 1883)
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Xanthoptera semiflava Guenée, 1852
Taxonomic Notes: Ponometia semiflava: Formerly placed in the genus Tarachidia, ZooKeys, 39: 1-160.
  • Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced.
  • Guenée, M.A., 1852. Noctuelites, 2. Histoire Naturelle des Insectes. Species Général des Lépidoptères, 6: 241.
  • Lafontaine, J.D. & R.W. Poole, 2010. Review of the New World genera of the subfamily Acontiinae (Lepidoptera, Noctuidae). ZooKeys, 39: 1-160.
  • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 50.16m; p. 280. Book Review and ordering
  • Species Page at BugGuide.Net
  • Species Page at E. H. Strickland Museum
  • Species Page at Pacific Northwest Moths
  • Species Page at The Noctuidae of North America by Robert W. Poole ( - archived page access (go to a year prior to 2020 and select a blue circled date from the calendar).
  • Species page at Moths of North Dakota.
Ponometia semiflava
© Robin Mcleod
Ponometia semiflava
© Charles Melton
Ponometia semiflava
© Jerry Armstrong
Ponometia semiflava
© Carol Wolf
Ponometia semiflava
© Gary Anweiler
Ponometia semiflava
LG – © Jim Troubridge
Ponometia semiflava
17mm – © Jim Vargo
Ponometia semiflava
22mm - LG – © Jim Vargo
Ponometia semiflava
© Giff Beaton LG
on camphorweed

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