One-eyed sphinx
Smerinthus cerisyi Wm. Kirby, 1837
Family: Sphingidae
Subfamily: Sphinginae
Identification: Appearance is highly variable. Outer margin of forewing ranges from unevenly scalloped to almost straight. Upperside of forewing is light reddish brown to almost black, with dark and light markings. Hindwing is mostly red with a yellow-tan outer margin and a round or diamond-shaped black spot in the center of the blue eyespot. Underside of the forewing is deep rose on the basal half and usually has a well-defined postmedian line.
Wing Span: 2 7/16 - 3 9/16 inches (6.2 - 9 cm).
Life History: Not reported.
Flight: . One flight from May-August.
Caterpillar Hosts: Willow (Salix) and poplar (Populus).
Adult Food: Adults do not feed.
Habitat: Valleys and streamsides.
Range: Newfoundland and Maine west across Michigan, the northern states, and southern Canada to British Columbia and Washington; south to southern California, Baja California Norte, and west Texas. Also Tennessee and Missouri.
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 699 verified sightings
Observation date: Jun 30, 2025
Submitted by: Keylime Cat
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jun 28, 2025
Submitted by: Stillcleaning
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jul 01, 2025
Submitted by: Hadelver@gmail.com
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jun 16, 2025
Submitted by: D J Carlson
Region: Vilas County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 01, 2025
Observation date: Jun 01, 2025
Submitted by: Geoff B
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 08, 2025
Observation date: Jul 10, 2024
Submitted by: Phoenixauthor
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Aug 16, 2024
Observation date: Jul 11, 2024
Submitted by: Bstenquist
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 16, 2024
Observation date: Jul 06, 2024
Submitted by: andreah
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jul 23, 2024
Observation date: Jul 01, 2024
Submitted by: Moondog
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 02, 2024
Observation date: Jun 03, 2024
Submitted by: Kiita
Region: Marquette County, Michigan, United States
Verified by: jwileyrains
Verified date: Jun 04, 2024
Observation date: Jul 05, 2023
Submitted by: J_Martineau
Region: Lake County, Minnesota, United States
Verified by: J_Martineau
Verified date: Dec 19, 2023
Observation date: Jul 15, 2019
Submitted by: mellielong
Region: Colfax County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 24, 2023
Observation date: Jul 24, 2019
Submitted by: mellielong
Region: Colfax County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 24, 2023
Observation date: May 27, 2017
Submitted by: mouser
Region: Sandoval County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 24, 2023
Observation date: May 27, 2017
Submitted by: mouser
Region: Sandoval County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 24, 2023
Observation date: Jul 04, 2023
Submitted by: brucefmsky
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Jul 17, 2023
Observation date: Jul 12, 2023
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 16, 2023
Observation date: Jun 24, 2023
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2023
Observation date: Jun 26, 2023
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 03, 2023
Observation date: Jun 22, 2023
Submitted by: Axolotl
Region: Newfoundland and Labrador, Canada
Verified by: curtis.lehman
Verified date: Jun 25, 2023
Observation date: May 15, 2023
Submitted by: commentator
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jun 23, 2023
Observation date: May 21, 2023
Submitted by: mac954
Region: Chittenden County, Vermont, United States
Verified by: Tom Clark
Verified date: Jun 16, 2023
Observation date: Jun 08, 2023
Submitted by: cbh
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 10, 2023
Observation date: May 19, 2023
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 04, 2023
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