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Digital Guide to Moth Identification

Tortricidae 51a0302 – 3637   Choristoneura conflictana (Walker, 1863)              Large Aspen Tortrix

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Larva and Host Plants: Host familiy: Betulaceae Cornaceae Ericaceae Fagaceae Pinaceae Rosaceae Salicaceae Sapindaceae.  Host genera: Acer Alnus Amelanchier Betula Cornus Corylus Fagus Malus Picea Pinus Populus Prunus Rosa Salix Sorbu...  Host extended: 90 percent of records on Populus tremuloides (Powell & Opler 2009); polyphagous (Robinson et al 2002...  (Kimberley & Douglas 2025) Genitalia: Canadian Entomologist, 124(1): 17; figs. 45-49. Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: conflictana (Walker, 1863) (Tortrix) - MONA 1983: 3637

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. Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 18.45m, 18.46f; p. 150. 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 Tortricid ID - Identification Technology Program (ITP) Species Page at iNaturalist

© Jason Dombroskie © Carol Wolf

© Lisa Lumley © Lisa Lumley CalPhotos – © Jerry Powell CalPhotos – © Jerry Powell 25mm – © Jim Vargo 26mm – © U. S. National Museum 26mm – © U. S. National Museum

© Josée Quimper (Quebec.ca) LG on Populus tremuloides © Josée Quimper (Quebec.ca) LG on Populus tremuloides © Josée Quimper (Quebec.ca) LG on Populus tremuloides © Canadian National Collection LG © Jason Dombroskie © Canadian National Collection LG © Josée Quimper (Quebec.ca) LG on Populus tremuloides © Jessica Durand (Quebec.ca) LG on Populus tremuloides

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