Vashti sphinx
Sphinx vashti Strecker, 1878
Family: Sphingidae
Subfamily: Sphinginae
Identification: Highly variable. Forewing ranges from pale to very dark gray with paler gray at the base of the costa, the wing tip, and on the outer margin. A series of black dashes ends with the topmost one reaching the wing tip. Hindwing is black with white bands.
Wing Span: 3 - 4 inches (7.5 - 10 cm).
Life History: Fully-grown caterpillars pupate in underground chambers.
Flight: . One brood from May-July.
Caterpillar Hosts: Snowberry (Symphoricarpos albus) and coralberry (S. orbiculatus).
Adult Food: Honeysuckle (Lonicera) and columbine (Aquilegia).
Habitat: Montane woodlands and prairie streamcourses.
Range: British Columbia east to Manitoba, south to southern California, Nevada, central Arizona, New Mexico, and west Texas.
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 290 verified sightings
Observation date: May 05, 2023
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 05, 2023
Observation date: Jul 03, 2022
Submitted by: Quaker state mothing
Region: Salt Lake County, Utah, United States
Verified by: J_Martineau
Verified date: Oct 18, 2022
Observation date: Jun 25, 2022
Submitted by: weflybye
Region: Umatilla County, Oregon, United States
Verified by: J_Martineau
Verified date: Jun 30, 2022
Observation date: Jul 30, 2014
Submitted by: YB4
Region: Alberta, Canada
Verified by: jwileyrains
Verified date: Feb 01, 2022
Observation date: Jul 04, 2021
Submitted by: J_Martineau
Region: Okanogan County, Washington, United States
Verified by: J_Martineau
Verified date: Dec 03, 2021
Observation date: May 11, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Oct 26, 2021
Observation date: May 18, 2021
Submitted by: kathy lichtendahl
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: May 19, 2021
Observation date: Aug 27, 2016
Submitted by: NikkiM
Region: Sweet Grass County, Montana, United States
Verified by: J_Martineau
Verified date: Mar 27, 2021
Observation date: May 15, 2018
Submitted by: Brush_lady
Region: Grant County, Oregon, United States
Verified by: J_Martineau
Verified date: Mar 14, 2021
Observation date: Jun 08, 2016
Submitted by: kcmatt
Region: Davis County, Utah, United States
Verified by: J_Martineau
Verified date: Feb 08, 2021
Observation date: Jul 03, 2018
Submitted by: CampBrowningMothLord
Region: Weber County, Utah, United States
Verified by: J_Martineau
Verified date: Feb 05, 2021
Observation date: Jul 17, 2018
Submitted by: CampBrowningMothLord
Region: Weber County, Utah, United States
Verified by: J_Martineau
Verified date: Feb 04, 2021
Observation date: May 23, 2020
Submitted by: J_Martineau
Region: McCone County, Montana, United States
Verified by: J_Martineau
Verified date: Dec 07, 2020
Observation date: Jun 12, 2020
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 14, 2020
Observation date: Jun 17, 2019
Submitted by: Reiner Jakubowski
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Mar 25, 2020
Observation date: Jun 06, 2018
Submitted by: Rob Petley-Jones
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Feb 11, 2020
Observation date: Jun 30, 2019
Submitted by: J_Martineau
Region: Custer County, Montana, United States
Verified by: J_Martineau
Verified date: Dec 05, 2019
Observation date: Jul 18, 2019
Submitted by: Coronis
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Aug 08, 2019
Observation date: Jul 11, 2019
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 21, 2019
Observation date: Jul 12, 2019
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 16, 2019
Observation date: Jul 04, 2019
Submitted by: canoeski
Region: Missoula County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 08, 2019
Observation date: Jun 15, 2019
Submitted by: Belova22
Region: Lincoln County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jun 19, 2019
Observation date: Jun 15, 2019
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 16, 2019
Observation date: Jun 04, 2019
Submitted by: twilling
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 10, 2019
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