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Digital Guide to Moth Identification

Geometridae 91a1398 – 6918   Eucaterva variaria Grote, 1882

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Distribution: Southern CA to west TX. Larva and Host Plants: Desert willow, Cliilopsis linearis Sweet. Description/ Field Marks: Wingspan 32-36 mm; males with thorax black, forewings with visible transverse lines and discal spot (Cassino & Swett, 1922). "The males are white, thickly sprinkled with blackish, with straight outer and curved inner thick mesial lines and discal dot." (Grote, 1882). Similar Species: 91a1399 Eucaterva bonniwelli: cannot be separated with confidence at present and may not be a distinct species. DNA barcode evidence provides only weak support and it is unclear if the original description and illustration of genitalia hold up to scrutiny (Steve Nanz, pers. comm., Feb, 2023). Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: variaria Grote, 1882 (Eucaterva) - MONA 1983: 6918; TL: Tucson, AZ. labesaria Grote, 1882 (Eucaterva) lymax (Druce, 1898) (Bryoptera)

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. Cassino, S.E. & L.W. Swett, 1922. Some new geometrids. The Lepidopterist, 3(7): 148 (bonniwelli). Comstock, J.A. & C.M. Dammers, 1932. The metamorphoses of six California Lepidoptera. Bulletin of the Southern California Academy of Sciences, 31(3): 98. Grote, A.R., 1882. Two new geometrids from Mr. Neumoegen's collection. Papilio, 2(5): 80-81. Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 30.20m; p. 218. Book Review and ordering Species Page at BugGuide.Net Species Page at iNaturalist

© Robert Pearson © Arlene Ripley © Bob Barber © Arlene Ripley © Charles Melton © Charles Melton © Robert Pearson

29mm – © Chris Grinter © Jeff Smith © Jeff Smith 30mm – © Jim Vargo

© Bob Barber © Bob Barber on Desert Willow (Chilopsis linearis) © John G. Franclemont CUIC LG © John G. Franclemont CUIC LG © Salvador Vitanza LG © Salvador Vitanza LG

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