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Digital Guide to Moth Identification

Genitalia Images
9114106958Tetracis formosa – (Hulst, 1896)

Libby & Rick Avis
Distribution: Southern British Columbia south to California, eastward to southern Alberta, Idaho, Utah, Wyoming and Colorado. From ~ 2,850 - 7,600 ft. elev. Desert riparian canyons to dry coniferous forest.
Seasonality
and Size:
Early September - late November. FWL ~ 17-23 mm.
Taxonomic Notes: Formerly placed in the genus Synaxis. See: Clifford D. Ferris and B. Christian Schmidt. Revision of the North American Genus Tetracis and Synonymization of Synaxis with Descriptions of Three New Species. ZooTaxa 2347: 1-36 (2010) .pdf file.
References
Tetracis formosa
LG – Jim Troubridge
Tetracis formosa
40mm – Jim Vargo

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