Elm sphinx
Ceratomia amyntor (Geyer, 1835)
Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is brown with dark brown and white markings including a white costal area, dark streaks along veins, and a white spot in the cell. Hindwing is light brown and has a dark brown band along the outer margin.
Wing Span: 3 1/4 - 4 1/2 inches (8.2 - 11.5 cm).
Life History: Fully-grown caterpillars pupate and overwinter in burrows underground.
Flight: . One brood in the north from June-July, two broods in the south from March-October.
Caterpillar Hosts: Elm (Ulmus), birch (Betula), basswood (Tilia), and cherry (Prunus).
Adult Food: Adults probably do not feed.
Habitat: A wide variety of forested and open habitats.
Range: Nova Scotia west to Saskatchewan and western North Dakota and Colorado; south to central Florida, the Gulf Coast, Texas, and New Mexico.
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.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 443 verified sightings
Observation date: Apr 12, 2012
Submitted by: Legs6319
Region: McLean County, Illinois, United States
Verified by: rogerdowner
Verified date: Jan 06, 2020
Observation date: Aug 14, 2019
Submitted by: SUE SCHULTZ
Region: Racine County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Dec 08, 2019
Observation date: Sep 30, 2019
Submitted by: brettaugust
Region: Coconino County, Arizona, United States
Verified by: Tom Middagh
Verified date: Oct 05, 2019
Observation date: Aug 20, 2018
Submitted by: kathy.wiederholt
Region: Foster County, North Dakota, United States
Verified by: Tom Middagh
Verified date: Sep 28, 2019
Observation date: Sep 17, 2019
Submitted by: see_me1st
Region: Warren County, New Jersey, United States
Verified by: curtis.lehman
Verified date: Sep 18, 2019
Observation date: Aug 25, 2019
Submitted by: amaw
Region: Vilas County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Sep 08, 2019
Observation date: Aug 29, 2019
Submitted by: pbarone1
Region: McHenry County, Illinois, United States
Verified by: rogerdowner
Verified date: Aug 29, 2019
Observation date: Aug 03, 2019
Submitted by: Czanto
Region: Chippewa County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Aug 11, 2019
Observation date: Jul 22, 2019
Submitted by: Akelson2
Region: Champaign County, Illinois, United States
Verified by: rogerdowner
Verified date: Jul 28, 2019
Observation date: Jul 22, 2019
Submitted by: Joe Bartok
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 24, 2019
Observation date: Jul 02, 2019
Submitted by: Dixon264
Region: Hancock County, Ohio, United States
Verified by: rogerdowner
Verified date: Jul 02, 2019
Observation date: Jun 29, 2019
Submitted by: SJAlbaugh75
Region: Knox County, Ohio, United States
Verified by: rogerdowner
Verified date: Jul 02, 2019
Observation date: Jun 26, 2019
Submitted by: ravonCol
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jun 27, 2019
Observation date: May 29, 2019
Submitted by: Jbanks
Region: Cullman County, Alabama, United States
Verified by: stomlins701
Verified date: Jun 05, 2019
Observation date: May 16, 2019
Submitted by: Shane Miller
Region: Allegheny County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: May 18, 2019
Observation date: Apr 30, 2019
Submitted by: Edwindavis1
Region: Dallas County, Texas, United States
Verified by: stomlins701
Verified date: Apr 30, 2019
Observation date: Jul 13, 2017
Submitted by: Mark Wheeler
Region: Washington County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Apr 28, 2019
Observation date: Apr 13, 2019
Submitted by: Rose A. Payne
Region: Bibb County, Georgia, United States
Verified by: Mikelchap
Verified date: Apr 17, 2019
Observation date: Jul 07, 2017
Submitted by: Sue Gregoire
Region: Schuyler County, New York, United States
Verified by: Sue Gregoire
Verified date: Jan 16, 2019
Observation date: Oct 02, 2018
Submitted by: Kimberjene
Region: Payne County, Oklahoma, United States
Verified by: stomlins701
Verified date: Oct 03, 2018
Observation date: Oct 03, 2018
Submitted by: deby1961
Region: Johnson County, Texas, United States
Verified by: stomlins701
Verified date: Oct 03, 2018
Observation date: Aug 12, 2018
Submitted by: benedums@comcast.net
Region: Waukesha County, Wisconsin, United States
Verified by: BGilley
Verified date: Aug 14, 2018
Observation date: Jun 24, 2018
Submitted by: 18nbrisbine
Region: Linn County, Iowa, United States
Verified by: jamesdurbin
Verified date: Aug 13, 2018
Observation date: Jul 29, 2018
Submitted by: mothwhisperer
Region: Sheboygan County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Aug 07, 2018
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