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 49 - 72 of 306 verified sightings
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
Observation date: Jul 14, 1964
Submitted by: Todd Stefanic
Region: Butte County, Idaho, United States
Verified by: J_Martineau
Verified date: Feb 04, 2016
Observation date: Jun 22, 2015
Submitted by: J_Martineau
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 10, 2015
Observation date: Jul 03, 2015
Submitted by: M_J_Lascala
Region: Shoshone County, Idaho, United States
Verified by: Robert Martin
Verified date: Jul 12, 2015
Observation date: Jun 12, 2015
Submitted by: battwoman
Region: Flathead County, Montana, United States
Verified by: Robert Martin
Verified date: Jun 16, 2015
Observation date: Jun 04, 2014
Submitted by: cliffweisse
Region: Fremont County, Idaho, United States
Verified by: J_Martineau
Verified date: Mar 10, 2015
Observation date: Jun 25, 2011
Submitted by: Tom Middagh (Mitch Marcotte)
Region: Clay County, South Dakota, United States
Verified by: Tom Middagh
Verified date: Jan 31, 2015
Observation date: Jun 03, 2013
Submitted by: Ann and Rob Simpson
Region: Yellowstone National Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 11, 2014
Observation date: Jul 22, 2014
Submitted by: J_Martineau
Region: Lincoln County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 09, 2014
Observation date: May 16, 2014
Submitted by: matthewjcampbell
Region: Umatilla County, Oregon, United States
Verified by: Robert Martin
Verified date: May 18, 2014
Observation date: May 12, 2013
Submitted by: matthewjcampbell
Region: Umatilla County, Oregon, United States
Verified by: philipnott
Verified date: Apr 24, 2014
Observation date: May 29, 2013
Submitted by: nwzj
Region: Marion County, Oregon, United States
Verified by: philipnott
Verified date: Apr 24, 2014
Observation date: Jun 02, 2013
Submitted by: matthewjcampbell
Region: Umatilla County, Oregon, United States
Verified by: philipnott
Verified date: Apr 24, 2014
Observation date: Jun 16, 2013
Submitted by: J_Martineau
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 12, 2013
Observation date: Jun 11, 2013
Submitted by: J_Martineau
Region: Carbon County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 11, 2013
Observation date: Jun 16, 2012
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 09, 2013
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