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Digital Guide to Moth Identification

Geometridae 91a0482 – 7235   Hydriomena divisaria (Walker, 1860)              Black-dashed Hydriomena

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Larva and Host Plants: Host familiy: Fagaceae Pinaceae.  Host genera: Abies Larix Picea Pinus Pseudotsuga Quercus Tsuga.  Host extended: polyphagous on conifers (McGuffin 1958).  (Kimberley & Douglas 2025) Genitalia: See McDunnough (1951) and McDunnough (1954). Similar Species: 91a0486 Hydriomena pluviata 91a0484 Hydriomena transfigurata Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: divisaria (Walker, 1860) (Cleora) - MONA 1983: 7235 ssp. a. divisaria (Walker, 1860) (Cleora) ssp. b. brunnescens McDunnough, 1954 (Hydriomena) ssp. c. frigidata (Walker, [1863]) (Cidaria)

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) McDunnough, J.H., 1951. On the identity of two eastern North American Hydriomena species (Lepidoptera: Geometridae). American Museum Novitates, 1535: 1-14. McDunnough, J.H., 1954. The species of the genus Hydriomena ocurring in America North of Mexico (Geometridae: Larentiinae). Bulletin of the American Museum of Natural History, 104(3): 271. 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 BugGuide.Net Species Page at E. H. Strickland Museum Species Page at Mass Moths Species Page at iNaturalist

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