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 25 - 48 of 297 verified sightings

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

Observation date: Jun 21, 2015
Submitted by: Kristi DuBois
Region: Missoula County, Montana, United States
Verified by: davidwdroppers
Verified date: May 16, 2019

Observation date: Jul 07, 2018
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 13, 2018

Observation date: May 23, 2018
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 24, 2018

Observation date: May 21, 2018
Submitted by: HavenNightwish
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: May 23, 2018

Observation date: May 30, 2017
Submitted by: Jonathan Lugo
Region: Fremont County, Idaho, United States
Verified by: J_Martineau
Verified date: Aug 28, 2017

Observation date: Aug 10, 2017
Submitted by: Krakatoa
Region: Gallatin County, Montana, United States
Verified by: J_Martineau
Verified date: Aug 14, 2017

Observation date: Jun 10, 2017
Submitted by: Eric Olson
Region: Boulder County, Colorado, United States
Verified by: charleseharp
Verified date: Jul 19, 2017

Observation date: Jul 04, 2017
Submitted by: letsgomoe
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 17, 2017

Observation date: Jun 08, 2017
Submitted by: Glacial_Blue
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 10, 2017

Observation date: May 29, 2017
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 31, 2017

Observation date: May 29, 2017
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 31, 2017

Observation date: Jun 03, 2016
Submitted by: Pleek
Region: British Columbia, Canada
Verified by: rogerdowner
Verified date: Jul 20, 2016

Observation date: May 17, 2016
Submitted by: pomarinejaeger
Region: Toole County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 05, 2016

Observation date: Jun 28, 2016
Submitted by: gmnorman
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 01, 2016

Observation date: May 26, 2016
Submitted by: carlysummer
Region: Adams County, Idaho, United States
Verified by: J_Martineau
Verified date: Jun 08, 2016

Observation date: May 26, 2016
Submitted by: Kyleopolis
Region: Ravalli County, Montana, United States
Verified by: davidwdroppers
Verified date: May 29, 2016

Observation date: May 04, 2016
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 05, 2016
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