Moth Photographers Group – Clostera albosigma

Digital Guide to Moth Identification

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Notodontidae

930003 – 7895 Clostera albosigma Fitch, 1856

Sigmoid Prominent

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Distribution Data for Clostera albosigma

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Larva and Host Plants:	Host familiy: Betulaceae Salicaceae. Host genera: Populus Salix. Host extended: leaves (Wagner 2005). (Kimberley & Douglas 2025)
Similar Species:	Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:	albosigma Fitch, 1856 (Clostera) - MONA 1983: 7895 curtuloides Erschoff, 1870 (Clostera) specifica (Dyar, 1892) (Ichthyura)

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.
Miller, J.S., D.L. Wagner, P.A. Opler & J.D. Lafontaine, 2018. Drepanoidea, Doidae; Noctuoidea, Notodontidae (Part): Pygaerinae, Notodontinae, Cerurinae, Phalerinae, Periergosinae, Dudusinae, Hemiceratinae. The Moths of America north of Mexico, Fascicle 22.1A: 59; pl. A-1, figs. 10-13 (order).
Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 33.41m; p. 248. 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 Pacific Northwest Moths
Species Page at iNaturalist
Species page at Moths of North Dakota.