Waved sphinx
Ceratomia undulosa (Walker, 1856)
Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is pale brownish gray with wavy black and white lines and a black-outlined white cell spot. Hindwing is gray with diffuse darker bands. Some individuals are very dark, almost black, and others are light yellowish brown.
Wing Span: 3 - 4 5/16 inches (7.6 - 11 cm).
Life History: Fully-grown caterpillars pupate underground.
Flight: . Two broods in the south from March-October, one brood in the north from May-August.
Caterpillar Hosts: Ash (Fraxinus), privet (Ligustrum), oak (Quercus), hawthorn (Crataegus) and fringe tree (Chionanthus virginicus).
Adult Food: Adults probably do not feed.
Habitat: A variety of forested and open habitats.
Range: Maine west to Alberta, western North Dakota, and Colorado; south to Florida, the Gulf Coast, and Texas.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
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Verified Sightings
Displaying 1 - 24 of 1170 verified sightings
Observation date: Jul 21, 2026
Submitted by: Moth_Observer01
Region: Nelson County, Kentucky, United States
Verified by: rogerdowner
Verified date: Aug 06, 2026
Observation date: Jul 28, 2026
Submitted by: Amblarson
Region: St. Clair County, Michigan, United States
Verified by: jwileyrains
Verified date: Jul 28, 2026
Observation date: Jul 27, 2026
Submitted by: bluebell
Region: Emmet County, Michigan, United States
Verified by: jwileyrains
Verified date: Jul 27, 2026
Observation date: Jul 15, 2026
Submitted by: ghughes
Region: Allegheny County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jul 16, 2026
Observation date: Jul 14, 2026
Submitted by: Purple Pyr
Region: Nova Scotia, Canada
Verified by: Sue Gregoire
Verified date: Jul 15, 2026
Observation date: Jul 12, 2026
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 13, 2026
Observation date: Jul 09, 2026
Submitted by: pgrew1@unl.edu
Region: Penobscot County, Maine, United States
Verified by: Sue Gregoire
Verified date: Jul 12, 2026
Observation date: Jul 05, 2026
Submitted by: David Trently
Region: Steuben County, New York, United States
Verified by: Sue Gregoire
Verified date: Jul 12, 2026
Observation date: Jul 06, 2026
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Jul 09, 2026
Observation date: Jul 05, 2026
Submitted by: jwsformo
Region: Genesee County, New York, United States
Verified by: jwileyrains
Verified date: Jul 07, 2026
Observation date: Jul 01, 2026
Submitted by: forensicglitter
Region: Somerset County, Maine, United States
Verified by: Sue Gregoire
Verified date: Jul 02, 2026
Observation date: Jun 30, 2026
Submitted by: Not_Hollow
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Jun 30, 2026
Observation date: Jun 04, 2026
Submitted by: TClingersmith
Region: Eaton County, Michigan, United States
Verified by: jwileyrains
Verified date: Jun 28, 2026
Observation date: Jun 04, 2026
Submitted by: Stu Adams
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 27, 2026
Observation date: Jun 16, 2026
Submitted by: Diadra8
Region: Montana, United States
Verified by: davidwdroppers
Verified date: Jun 16, 2026
Observation date: May 28, 2026
Submitted by: ButterBelle
Region: Putnam County, Tennessee, United States
Verified by: rogerdowner
Verified date: May 30, 2026
Observation date: May 21, 2026
Submitted by: Lutya
Region: Rensselaer County, New York, United States
Verified by: Sue Gregoire
Verified date: May 23, 2026
Observation date: Jul 11, 2025
Submitted by: cskipper
Region: Garrett County, Maryland, United States
Verified by: rogerdowner
Verified date: May 22, 2026
Observation date: May 22, 2026
Submitted by: debborahm12
Region: Harrisonburg, Virginia, United States
Verified by: rogerdowner
Verified date: May 22, 2026
Observation date: May 11, 2026
Submitted by: Gigi_
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: May 12, 2026
Observation date: May 06, 2026
Submitted by: Lisa McClendon
Region: Craighead County, Arkansas, United States
Verified by: jwileyrains
Verified date: May 06, 2026
Observation date: Jun 26, 2025
Submitted by: Jessica Howell
Region: Rosebud County, Montana, United States
Verified by: davidwdroppers
Verified date: Oct 11, 2025
Observation date: Aug 04, 2025
Submitted by: rje623
Region: Franklin County, Alabama, United States
Verified by: stomlins701
Verified date: Sep 10, 2025
Observation date: Aug 31, 2025
Submitted by: Ozark_Bill
Region: St. Louis County, Missouri, United States
Verified by: Ozark_Bill
Verified date: Sep 05, 2025
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