Moth Photographers Group – Acronicta longa

Digital Guide to Moth Identification

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Noctuidae

931491.1 – 9264 Acronicta longa (Guenée, 1852)

Long-winged Dagger

Photographs are the copyrighted property of each photographer listed. Contact individual photographers for permission to use for any purpose.

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Larva and Host Plants:	Host familiy: Anacardiaceae Betulaceae Adoxaceae[Caprifoliaceae] Cornaceae Ebenaceae Fagaceae Malvaceae Rosaceae S.. Host genera: Alnus Cornus Betula Diospyros Gossypium Populus Prunus Quercus Rhus Rosa Rubus Salix Toxicodendron. Host extended: polyphagous on trees & shrubs (Forbes 1954); many other woody plants (Wagner et al 2011); polyphagou... (Kimberley & Douglas 2025)
Similar Species:	Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:	longa (Guenée, 1852) (Acronycta) - MONA 1983: 9264; TL: 5421 NW 69th Lane, Blues Creek, Alachua Co., Gainsville, FL. pallidicoma (Grote, 1878) (Apatela) set (Barnes & Benjamin, 1927) (Apatela); Holotype: Oak Station, Allegheny Co., PA. xyliniformis (Guenée, 1852) (Acronycta) xylinoides (Guenée, 1852) (Acronycta)

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.
Barnes, W.M. & J.H. McDunnough, 1926. Notes And New Species (Lepid., Phalaenidae). The Canadian Entomologist, 58(12): 309.
Schmidt, B.C. & G.G. Anweiler, 2020. Noctuidae (Part) Pantheinae, Raphiinae, Balsinae, Acronictinae. The Moths of North America, Fascicle 25.4: 244; pl. A-17, figs. 1-8 (adult); pl. 29, fig. 2 (♂ gen.); pl. 44, fig. 4 (♀ gen.); pl. L-17, figs. 1-4. (larva) (order).
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

LG – © Jim Troubridge

Moth Photographers Group at the Mississippi Entomological Museum at the Mississippi State University

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