Yellow-banded sphinx
Proserpinus flavofasciata (Walker, 1856)
Family: Sphingidae
Subfamily: Macroglossinae
Identification: Forewing upperside is medium to dark brown with a faint to distinct white median band. Hindwing upperside is dark brown with a wide orange median band which may not reach the inner margin.
Wing Span: 1 5/8 - 2 inches (4.2 - 5.1 cm).
Life History: Adults fly during the day.
Flight: . One brood from April-June.
Caterpillar Hosts: Willow weed (Epilobium) and possibly thimbleberry (Rubus parviflorus).
Adult Food: Nectar from flowers including dandelion and cherry.
Habitat: Meadows in coniferous forests.
Range: Alaska south through British Columbia to Washington, Oregon, Idaho, Wyoming, and Colorado; British Columbia east across southern Canada to Nova Scotia and Maine.
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
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Verified Sightings
Displaying 1 - 24 of 25 verified sightings
Observation date: May 03, 2025
Submitted by: Katrina Kinnee
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 08, 2025
Observation date: Aug 07, 2022
Submitted by: heathercdurham
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 09, 2022
Observation date: Jun 01, 2022
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 03, 2022
Observation date: Jul 20, 2017
Submitted by: Mik15
Region: Alberta, Canada
Verified by: jwileyrains
Verified date: Feb 12, 2022
Observation date: Aug 05, 2016
Submitted by: bella ormseth
Region: Linn County, Oregon, United States
Verified by: davidwdroppers
Verified date: Mar 28, 2021
Observation date: May 05, 2016
Submitted by: raymond smith
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 09, 2016
Observation date: Aug 09, 2014
Submitted by: mtn_equus
Region: Gallatin County, Montana, United States
Verified by: Robert Martin
Verified date: Sep 23, 2014
Observation date: Jul 18, 2014
Submitted by: AK2632
Region: Wade Hampton, Alaska, United States
Verified by: Ryan St Laurent
Verified date: Aug 28, 2014
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: unknown
Submitted by: legacy.reporter
Region: Ravalli County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Whitman County, Washington, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Grand County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lane County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Shoshone County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Okanogan County, Washington, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Baker County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Teton County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Jackson County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Linn County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Penobscot County, Maine, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pierce County, Washington, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Humboldt County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Clackamas County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Latah County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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