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Digital Guide to Moth Identification

Geometridae 91a1414 – 6955   Tetracis pallulata Hulst, 1887

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Distribution: British Columbia to southern California, eastward to Alberta, Idaho and western Montana. From near 0 - 7,200 ft. elev. Seasonality and Size: August to October. FWL ~ 18-24 mm. Larva and Host Plants: Hosts include Cupressaceae and Pinaceae. (see references) -- Host familiy: Pinaceae.  Host genera: Abies Picea Pinus Pseudotsuga Tsuga.  Notes: NOT-Rubus NOT-Thuja NOT-Larix (Ferris & Schmidt 2010); .  (Shropshire & Douglas 2025) Genitalia: See Ferris & Schmidt (2010). Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: pallulata Hulst, 1887 (Tetracis) - MONA 1983: 6955 Taxonomic Notes: Tetracis pallulata Hulst, 1887, n. comb. in Ferris & Schmidt (2010), was formerly in the genus Synaxis.

References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)

Barcode of Life (BOLD) - Caution: Identifications often erroneous; DNA barcode provides evidence of relatedness, not proof of identification; many specimens not sequenced. 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. Shropshire, K.J. & D.W. Tallamy, 2025. Lepidoptera of North America, north of Mexico: an annotated list containing geographic ranges and host-plant records. ZooKeys, 1261: 101-113; Suppl. 1. (PDF or read online) Species Page at BugGuide.Net Species Page at E. H. Strickland Museum Species Page at iNaturalist

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