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Digital Guide to Moth Identification

Geometridae 91a0446 – 7414   Orthonama obstipata (Fabricius, 1794)              Gem Moth

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Larva and Host Plants: Host familiy: Annonaceae Asteraceae Euphorbiaceae Polygonaceae Rubiaceae Ulmaceae.  Host genera: Acalypha Annona Anthemis Chrysanthemum Galium Persicaria[=Polygonum] Polygonum[unresolved] Rumex Sen...  Host extended: polyphagous on herbs (Forbes 1948); defoliator (El Anbri et al 2021).  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: obstipata (Fabricius, 1794) (Phalaena) - MONA 1983: 7414 obstipata (Fabricius, 1794) (Phalaena)  albicinctata (Haworth, 1809) (Phalaena)  angustata (Haworth, 1809) (Phalaena)  baccata (Guenée, [1858]) (Camptogramma)  brunneipennis (Hulst, 1896) (Nycterosea)  discata (Warren, 1905) (Ochyria)  exagitata (Walker, 1862) (Camptogramma)  fluviata (Hübner, 1799) (Geometra)  gemmaria (Boisduval, 1840) (Larentia)  gemmata (Hübner, 1799) (Geometra)  inconspicua (Warren, 1896) (Ochyria)  intrusata (Walker, 1862) (Phibalapteryx)  lapillata (Guenée, [1858]) (Camptogramma)  marginata (Mathew, 1906) (Nycterosea)  mortuaria (Schaus, 1908) (Plemyria)  obruptata (Walker, 1863) (Coremia)  obsoleta (Mathew, 1906) (Nycterosea)  olivacea (Mathew, 1906) (Nycterosea)  peracutata (Walker, 1862) (Cidaria)  pigrata (Walker, 1866) (Coremia)  plemyrata (Felder & Rogenhofer, 1875) (Cidaria)  quaearendaria (Costa, [1850]) (Larentia)  signataria (Walker, 1863) (Camptogramma)

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) Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 33.4f; p. 227. 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 Mass Moths Species Page at iNaturalist

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