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 1149 verified sightings
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
Observation date: Jul 07, 2025
Submitted by: firewoman
Region: Jackson County, Georgia, United States
Verified by: Mikelchap
Verified date: Jul 20, 2025
Observation date: Jun 13, 2025
Submitted by: Gobblino
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 15, 2025
Observation date: Jun 27, 2025
Submitted by: danderson868
Region: Otter Tail County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 05, 2025
Observation date: Jul 01, 2025
Submitted by: hauntedlyharvest
Region: Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 01, 2025
Observation date: Jun 25, 2025
Submitted by: Sdsandvik
Region: Livingston County, New York, United States
Verified by: Sue Gregoire
Verified date: Jun 26, 2025
Observation date: May 30, 2025
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jun 21, 2025
Observation date: Jun 03, 2025
Submitted by: Shirley Miller
Region: Saskatchewan, Canada
Verified by: James Steen
Verified date: Jun 04, 2025
Observation date: Apr 29, 2025
Submitted by: scottj4hops
Region: Jessamine County, Kentucky, United States
Verified by: rogerdowner
Verified date: May 03, 2025
Observation date: Aug 22, 2024
Submitted by: bshettler
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jan 26, 2025
Observation date: Jun 24, 2024
Submitted by: one72guy
Region: Saskatchewan, Canada
Verified by: Tom Middagh
Verified date: Oct 30, 2024
Observation date: Jul 24, 2024
Submitted by: Thentz
Region: Elmore County, Alabama, United States
Verified by: stomlins701
Verified date: Sep 05, 2024
Observation date: Aug 10, 2024
Submitted by: KABerry
Region: Butler County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Aug 11, 2024
Observation date: Jul 31, 2024
Submitted by: rnleighton
Region: Washington County, Maine, United States
Verified by: Sue Gregoire
Verified date: Aug 01, 2024
Observation date: Jul 23, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 26, 2024
Observation date: Jul 12, 2024
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 16, 2024
Observation date: Jul 10, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 16, 2024
Observation date: Jul 14, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 15, 2024
Observation date: Jul 09, 2024
Submitted by: naj.pilla
Region: Indiana, United States
Verified by: rogerdowner
Verified date: Jul 11, 2024
Observation date: Jun 27, 2024
Submitted by: Rclements7051
Region: Lexington County, South Carolina, United States
Verified by: Dennis Forsythe
Verified date: Jul 09, 2024
Observation date: Jun 26, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 04, 2024
Observation date: Jun 25, 2024
Submitted by: Rick Welton
Region: Brazoria County, Texas, United States
Verified by: stomlins701
Verified date: Jul 02, 2024
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