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 676 verified sightings
Observation date: May 19, 2023
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 04, 2023
Observation date: May 18, 2023
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 04, 2023
Observation date: Jun 21, 2020
Submitted by: letsgomoe
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Nov 16, 2022
Observation date: Aug 15, 2022
Submitted by: kayjon50
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 31, 2022
Observation date: Jun 29, 2022
Submitted by: kpiwor
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 30, 2022
Observation date: Jun 21, 2018
Submitted by: Selkirks
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 02, 2022
Observation date: Jul 28, 2022
Submitted by: Wisergal487
Region: Ravalli County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 29, 2022
Observation date: Jul 19, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 25, 2022
Observation date: Jul 20, 2022
Submitted by: blmorin
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 22, 2022
Observation date: Jul 20, 2022
Submitted by: AbuBee
Region: Ravalli County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 22, 2022
Observation date: Jul 10, 2022
Submitted by: bstar4bbyron
Region: Ravalli County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 17, 2022
Observation date: Jul 15, 2022
Submitted by: DireSouthpaw
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 17, 2022
Observation date: Jul 04, 2022
Submitted by: Rebeccaewing
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 04, 2022
Observation date: Jun 27, 2022
Submitted by: Catbird
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 30, 2022
Observation date: Jun 15, 2022
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jun 27, 2022
Observation date: Jun 20, 2022
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 20, 2022
Observation date: Jun 08, 2022
Submitted by: robpendergast
Region: Portage County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jun 09, 2022
Observation date: May 23, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 24, 2022
Observation date: May 17, 2022
Submitted by: Cherrycola77
Region: Pacific County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2022
Observation date: May 25, 2021
Submitted by: Bob Saunders
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Mar 22, 2022
Observation date: May 21, 2020
Submitted by: rainn.rainnn
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Mar 21, 2022
Observation date: Jul 19, 2018
Submitted by: katb1
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Mar 11, 2022