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Digital Guide to Moth Identification

Noctuidae 931419.4 – 9286   Harrisimemna trisignata (Walker, 1856)              Harris's Three-spot

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Larva and Host Plants: Host familiy: Adoxaceae[Caprifoliaceae] Aquifoliaceae Caprifoliaceae Diervillaceae[Caprifoliaceae] Ebenaceae Erica..  Host genera: Ceanothus Cephalanthus Chionanthus Diervilla Diospyros Dirca Fraxinus Heptacodium Ilex Ligustrum Liq...  Host extended: polyphagous on trees & shrubs (Forbes 1954); polyphagous (Schmidt & Anweiler 2020).  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: trisignata (Walker, 1856) (Grammophora) - MONA 1983: 9286; TL: Orillia ON. sexguttata (Harris, 1869) (Notodonta)

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. Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history) Schmidt, B.C. & G.G. Anweiler, 2020. Noctuidae (Part) Pantheinae, Raphiinae, Balsinae, Acronictinae. The Moths of North America, Fascicle 25.4: 104; pl. A-6, figs. 18-22 (adult); pl. 15, fig. 3 (♂ gen.); pl. 34, fig. 4 (♀ gen.); pl. L-3, figs. 7, 8 (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 Mass Moths Species Page at iNaturalist

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