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Digital Guide to Moth Identification

Geometridae 91a1399 – 6919   Eucaterva bonniwelli Cassino & Swett, 1922

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Description/ Field Marks: Wingspan 25-30 mm. Males range from nearly white to nearly black, transverse lines and discal dot absent; thorax white. (Cassino & Swett, 1922). Similar Species: Eucaterva variaria Grote, 1882 cannot be separated with confidence at present. Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: bonniwelli Cassino & Swett, 1922 (Eucaterva) - MONA 1983: 6919   Type locality: Holotype: El Paso, TX. Taxonomic Notes: Eucaterva bonniwelli Cassino & Swett, 1922 may not be a species distinct from Eucaterva variaria Grote, 1882. 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).

References

Barcode of Life (BOLD) - Caution: DNA barcode provides evidence of relatedness, not proof of identification, and some BOLD specimens shown may not be sequenced. Cassino, S.E. & L.W. Swett, 1922. Some new geometrids. The Lepidopterist, 3(7): 148. Species Page at BugGuide.Net

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