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Digital Guide to Moth Identification

Sphingidae
890103.007787Ceratomia undulosa (Walker, 1856) – Waved Sphinx

© Mark Dreiling - DNA
Distribution: Caution: A single range map dot for a Canadian province may represent records without specific location data.
Prince Edward Island to Alberta, North Dakota and Colorado, southward to Florida and western Texas.
Seasonality
and Size:
Two broods in the south from March to October, one brood in the north from May to August. Glaser reports this moth as common throughout Maryland between 28 April and 8 September. Wingspan 78 - 110 mm.
Larva and
Host Plants:
Light green hornworm, red/brown forms may be encountered: the horn may be pink. Seven pairs of oblique lateral stripes, and a broad stripe on the head from eyes to crown. Convex anal plate and anal prolegs with raised black spots Spiracles have a white center, edged with orange. Ash is the preferred food plant, but lilac, privet and fringe-tree may also be eaten.
Description/
Field Marks:
  • forewing usually pale brownish gray. Some individuals, particularly from the northern Great Plains, may be very dark, and others may be pale yellowish brown.
  • jagged black lines and black dashes on forewings well defined.
  • reniform spot large, white with black outline.
  • hindwing gray with diffuse darker gray lines.
Similar Species:
  • See discussion under 7786 - Elm Sphinx, C. amyntor.
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Daremma undulosa Walker, 1856
Ceratomia borealis Clark, 1929
Ceratomia engeli Chermock & Chermock, 1940
Ceratomia polingi Clark, 1929
Ceratomia repentinus Clemens, 1859
References
  • Barcode of Life (BOLD) - Caution: Some specimens shown may not be sequenced. DNA barcode provides evidence of relatedness not proof of identification.
  • Covell Field Guide p.33; Pl. 4(10, male).
  • Hall et al., 2021. The Moths of North Carolina - website (identification, habitats and life history)
  • Hodges, R. W., 1971. Moths of America North of Mexico, Fascicle 21:p. 42; pl. 2.12. order or free PDF
  • Species Page at Bill Oehlke's moth website - Ceratomia undulosa
  • Species Page at BugGuide.Net
  • Species Page at E. H. Strickland Museum
  • Species Page at Pacific Northwest Moths
  • Tuttle, J. P., 2007. Hawk Moths of North America: p. 64; pl. 9.9-10, 13.
  • Wagner, D. L., (2005). Caterpillars of Eastern North America, p. 252.
Data compiled and contributed by Nolie Schneider from references cited.

Ceratomia undulosa
© Machele White
Ceratomia undulosa
© John Himmelman
Ceratomia undulosa
© Nolie Schneider
Ceratomia undulosa
© Ken Childs
Ceratomia undulosa
85mm – © Jim Vargo
Ceratomia undulosa
© George Smiley LG
on Forestiera acuminata
Ceratomia undulosa
© George Smiley LG
on Forestiera acuminata
Ceratomia undulosa
© George Smiley LG
on Forestiera acuminata
Ceratomia undulosa
© George Smiley LG
on Forestiera acuminata
Ceratomia undulosa
© Canadian National Collection LG

Ceratomia undulosa
© Bev Wigney

Ceratomia undulosa
© Roxanne Bertrand (Quebec.ca) LG
on Fraxinus americana
Ceratomia undulosa
© Roxanne Bertrand (Quebec.ca) LG
on Fraxinus americana

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