Twin-spotted sphinx
Smerinthus jamaicensis (Drury, 1773)
Family: Sphingidae
Subfamily: Sphinginae
Identification: Outer margin of forewing is unevenly scalloped; costal margin of hindwing is almost straight. Upperside of male forewing is gray with black and white markings; female is yellowish brown with dark brown and white markings. Hindwing of both sexes is mostly red with a pale yellow border; blue patch may appear as a single eyespot or be divided by black bands to create two or three spots.
Wing Span: 1 3/4 - 3 1/4 inches (4.5 - 8.3 cm).
Life History: Not reported.
Flight: . Several flights in Missouri from April-August, and in Louisiana from February-October.
Caterpillar Hosts: Apple (Malus sylvestris), peach and plum (Prunus), ash (Fraxinus), elm (Ulmus), poplar (Populus), birch (Betula), and willow (Salix).
Adult Food: Adults do not feed.
Habitat: A wide variety of forested and brushy habitats, moist areas near lakes and rivers, and suburbs.
Range: Nova Scotia and Maine south to northern Florida; west to Manitoba, North Dakota, and Arizona.
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 586 verified sightings
Observation date: Sep 15, 2025
Submitted by: Ozark_Bill
Region: St. Louis County, Missouri, United States
Verified by: Ozark_Bill
Verified date: Sep 21, 2025
Observation date: Sep 05, 2025
Submitted by: Eddie Wyatt
Region: York County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Sep 08, 2025
Observation date: Jul 27, 2025
Submitted by: dawittrock2231
Region: Vilas County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 28, 2025
Observation date: Jul 14, 2025
Submitted by: MNMothMom
Region: St. Louis County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 24, 2025
Observation date: Jul 10, 2025
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Jul 12, 2025
Observation date: Jul 08, 2025
Submitted by: rapids
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 11, 2025
Observation date: Jun 21, 2025
Submitted by: kristasessions
Region: Tompkins County, New York, United States
Verified by: Sue Gregoire
Verified date: Jun 23, 2025
Observation date: Jun 19, 2025
Submitted by: Black Spruce Girl
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 22, 2025
Observation date: Jun 19, 2025
Submitted by: TaliahK
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 22, 2025
Observation date: Jun 16, 2025
Submitted by: nattyfait
Region: Saskatchewan, Canada
Verified by: James Steen
Verified date: Jun 16, 2025
Observation date: Jun 16, 2024
Submitted by: J_Martineau
Region: Dawes County, Nebraska, United States
Verified by: J_Martineau
Verified date: Nov 19, 2024
Observation date: Jun 23, 2024
Submitted by: MES159
Region: Missaukee County, Michigan, United States
Verified by: jwileyrains
Verified date: Aug 29, 2024
Observation date: Jul 30, 2024
Submitted by: Thyger
Region: Washington County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Aug 13, 2024
Observation date: Jul 24, 2024
Submitted by: Samantha1996
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jul 24, 2024
Observation date: Jun 04, 2024
Submitted by: SNor
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jun 11, 2024
Observation date: Jun 01, 2024
Submitted by: David Trently
Region: Lackawanna County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jun 02, 2024
Observation date: May 13, 2024
Submitted by: jlk78745
Region: Texas, Travis County, United States
Verified by: stomlins701
Verified date: May 18, 2024
Observation date: May 22, 2023
Submitted by: Xxriptide_
Region: Saskatchewan, Canada
Verified by: Tom Middagh
Verified date: Dec 29, 2023
Observation date: Jul 23, 2023
Submitted by: MarkSCitsay
Region: Washington County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 27, 2023
Observation date: Jul 14, 2023
Submitted by: John Gibbons
Region: Newfoundland and Labrador, Canada
Verified by: curtis.lehman
Verified date: Jul 15, 2023
Observation date: May 13, 2023
Submitted by: Nikkyroo
Region: Wexford County, Michigan, United States
Verified by: jwileyrains
Verified date: May 15, 2023
Observation date: Aug 01, 2021
Submitted by: John429
Region: Jackson County, Michigan, United States
Verified by: jwileyrains
Verified date: Jan 26, 2023
Observation date: Apr 25, 2019
Submitted by: mlegel
Region: Cass County, Missouri, United States
Verified by: jamesdurbin
Verified date: Sep 17, 2022
Observation date: May 16, 2019
Submitted by: Dabfg4
Region: Jackson County, Missouri, United States
Verified by: jamesdurbin
Verified date: Sep 17, 2022
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