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Digital Guide to Moth Identification

91a1418 – 6959   Tetracis barnesii (Hulst, 1896)

- © Steve Morris
Distribution: High desert riparian canyons to dry coniferous forest from ~ 5,100-6,250 ft. elev. in central Arizona, California Sierras and parts of Colorado, Utah, Montana and Oregon.
and Size:
Early September - late October. FWL ~ 19-23 mm.
Genitalia: See Ferris & Schmidt (2010).
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Gonodontis barnesii Hulst, 1896
Taxonomic Notes: Tetracis barnesii (Hulst, 1896), n. comb. in Ferris & Schmidt (2010), was formerly in the genus Synaxis.
  • Ferris, C.D. & B.C. Schmidt, 2010. Revision of the North American Genera Tetracis Guenée and Synonymization of Synaxis Hulst with Descriptions of Three New Species (Lepidoptera: Geometridae: Ennominae). Zootaxa, 2347: 1-36.
  • Species Page at BugGuide.Net
Tetracis barnesii
© Steve Morris
Tetracis barnesii
– © Cliff Ferris
Tetracis barnesii
– © Cliff Ferris
Tetracis barnesii
40mm - LG – © Jim Vargo
Tetracis barnesii
42mm - LG – © Jim Vargo

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