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Digital Guide to Moth Identification

Sphingidae
890122 – 7811   Sphinx luscitiosa Clemens, 1859
             Clemens' Sphinx
Distribution Data for Sphinx luscitiosa
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Distribution: Uncommon to rare. Found in Canada from Nova Scotia to Alberta, and in the Yukon. In the US, it is found south to New Jersey, Illinois and Utah.
Seasonality
and Size:
One brood, flight period in June and July. Wingspan 57 - 78 mm.
Larva and
Host Plants:
Foodplants include poplar, willow and birch. Green hornworm with 7 pairs of oblique lateral lines similar to S. gordius except that the horn has a black lateral line.
Description/
Field Marks:
  • Forewing yellowish gray in males, pale gray with yellow tint in females.
  • Dark border on outer margin widens towards inner margin.
  • Hindwing deep yellow in males, pale yellow in females: both sexes have a wide black border.
Similar Species:
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy:
  • luscitiosa Clemens, 1859 (Sphinx) - MONA 1983: 7811
  • benjamini Clark, 1932 (Sphinx)
  • bombax Barnes & Benjamin, 1927 (Sphinx)
  • borealis Clark, 1931 (Sphinx)
  • una Skinner, 1903 (Sphinx)
  • 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.
    • Covell Field Guide p.36; Pl. 4(2, male).
    • Hodges, R. W., 1971. Moths of America North of Mexico, Fascicle 21:p. 68; pl. 5.10, 13, 16. order or free PDF
    • Species Page at Bill Oehlke's moth website - Sphinx luscitiosa
    • Species Page at BugGuide.Net
    • Species Page at E. H. Strickland Museum
    • Species Page at Mass Moths
    • Species Page at Pacific Northwest Moths
    • Tuttle, J. P., 2007. Hawk Moths of North America: p. 88; pl. 6.1, 4.
    • Wagner, D. L., (2005). Caterpillars of Eastern North America, p. 260.
    Sphinx luscitiosa
    © Nelson Poirier
    Sphinx luscitiosa
    © Nelson Poirier
    Sphinx luscitiosa
    © Robin McLeod
    Sphinx luscitiosa
    70mm – © Jim Vargo
    Sphinx luscitiosa
    © Canadian National Collection LG


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