Sphingidae
890103 –
7787 Ceratomia undulosa
(Walker, 1856)
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Photographs are the copyrighted property of each photographer listed. Contact individual photographers for permission to use for any purpose. |
© Mark Dreiling - DNA
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Distribution: |
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.
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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.)
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Synonymy: |
undulosa Walker 1856 (Daremma) - MONA 1983: 7787borealis Clark 1929 (Ceratomia)engeli Chermock & Chermock 1940 (Ceratomia)polingi Clark 1929 (Ceratomia)repentinus Clemens 1859 (Ceratomia) |
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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.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 Mass Moths
- 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.
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© Machele White
© John Himmelman
© Nolie Schneider
© Ken Childs
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85mm – © Jim Vargo
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© George Smiley LG
on Forestiera acuminata
© George Smiley LG
on Forestiera acuminata
© George Smiley LG
on Forestiera acuminata
© George Smiley LG
on Forestiera acuminata
© Canadian National Collection LG
© Bev Wigney
© Roxanne Bertrand ( Quebec.ca) LG
on Fraxinus americana
© Roxanne Bertrand ( Quebec.ca) LG
on Fraxinus americana
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