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Digital Guide to Moth Identification

Geometridae 91a1410 – 6964   Tetracis cachexiata Guenée, [1858]              White Slant-Line

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Distribution: Montane and Piedmont, from Quebec to Alberta southward to northern Florida, Montana, Colorado, Mississippi. Seasonality and Size: May - early July. FWL ~ 19-26 mm. Larva and Host Plants: Many host plants include Alnus, Betula, Prunus, Ulmus, Vibernum, Pinus. (see references) -- Host familiy: Betulaceae Adoxaceae[Caprifoliaceae] Celastraceae Cornaceae Cupressaceae Ericaceae Fabaceae Fagaceae Iridaceae Juglandaceae Lauraceae Malvaceae[Tiliaceae] Myricaceae Nyssaceae[Cornaceae] Oleaceae Pina..  Host genera: Abies Acer Alnus Betula Carpinus Carya Celastrus Chamaecyparis Comptonia Cornus Fraxinus Iris Juglans Kalmia Larix Myrica Nyssa Ostrya Physocarpus Picea Pinus Populus Prunus Quercus Robinia Salix Sass...  Notes: polyphagous on wide variety of woody trees and shrubs (Powell & Opler 2009); many other woody plants (Wagner 2005); foliage (Wagner et al 2001).  (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: cachexiata Guenée, [1858] (Tetracis) - MONA 1983: 6964 lorata Grote, 1864 (Tetracis) Taxonomic Notes: Tetracis cachexiata Guenée, [1858], 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. Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history) Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 30.32f; p. 219. Book Review and ordering 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 Block Island Moths Species Page at BugGuide.Net Species Page at E. H. Strickland Museum Species Page at Mass Moths Species Page at iNaturalist

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