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Digital Guide to Moth Identification

Geometridae 91a0794 – 6363   Digrammia excurvata (Packard, 1874)

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Distribution: USA: AZ, CA, CO, NE, NM, OR, TX, UT, WA. Larva and Host Plants: Host familiy: Cupressaceae.  Host genera: Cupressus Juniperus.  (Shropshire & Tallamy 2025 [accessed 6xii2025]) Similar Species: 91a0789 Digrammia continuata: east of the Rockies. 91a0793 Digrammia imparilata: AZ and southern CA. 91a0792 Digrammia napensis: California. 91a0790 Digrammia pertinata: western Great Plains and Rockies. 91a0791 Digrammia setonana: Canada: BC, YT. Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: excurvata (Packard, 1874) (Phasiane) - MONA 1983: 6363; TL: "‘Rocky Mountains." spodopterata (Hulst, 1898) (Sciagraphia); TL: "Colo., Cala."

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. Ferguson, D. C., 2008. Moths of America North of Mexico, Fascicle 17.2: p. 268; pl. 7.1-4. order or free PDF 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 iNaturalist

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