Waved sphinx
Adult specimen
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Sphingidae
Genus:	Ceratomia
Species:	C. undulosa
Binomial name
Ceratomia undulosa (Walker, 1856)
Synonyms
Daremma undulosa Walker, 1856 Ceratomia repentinus Clemens, 1859 Ceratomia undulosa borealis Clark, 1929 Ceratomia undulosa engeli Chermock & Chermock, 1940

Ceratomia undulosa, the waved sphinx, is a moth of the family Sphingidae. The species was first described by Francis Walker in 1856.^[1] Also known as the "Scorpion Moth" (See "Biology" Below").^{[citation needed]}

It is found in the United States, and southern Canada, east of the Rocky Mountains. Adult moths are strictly nocturnal, hiding away as dawn approaches (Fullard & Napoleone 2001).

• 
  Male
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  Male underside
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  Female
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  Female underside
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  Caterpillar

Recorded food plants of the larvae include ash (Fraxinus), privet (Ligustrum), oak (Quercus), hawthorn (Crataegus) and fringe tree (Chionanthus virginicus).^{[citation needed]}

When ready, larvae dig underground to pupate.

The most common predator is the Guiana Striped Scorpion, which feasts on the moth's egg clusters. The common proximity of the two species, sometimes showing up as the moth lays her eggs, has resulted in erroneous conclusions that the moths give birth to the scorpions, and the resultant name "Scorpion Moth."^{[citation needed]}

• Ceratomia undulosa undulosa (from Prince Edward Island and Nova Scotia west to eastern Alberta and Maine to Florida west to the eastern Great Plains and south to Florida, the Gulf Coast and Texas)
• Ceratomia undulosa polingi Clark, 1929 (Mexico)

• Fullard, James H.; Napoleone, Nadia (2001). "Diel flight periodicity and the evolution of auditory defences in the Macrolepidoptera" (PDF). Animal Behaviour. 62 (2): 349–368. doi:10.1006/anbe.2001.1753. Archived from the original (PDF) on 2007-06-15.

• "Waved sphinx (Ceratomia undulosa)". Moths of North America. U.S. Geological Survey Northern Prairie Wildlife Research Center. Archived December 7, 2005.
• Fauske, Gerald M. (January 23, 2007). "Ceratomia undulosa (Walker 1856)". Moths of North Dakota. Department of Entomology North Dakota State University. Retrieved December 13, 2020.

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