Asella sphinx
Sphinx asellus
Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is pale silver-gray with a series of black dashes, a white patch at the tip, and a white stripe along the outer margin. Hindwing is black with blurry white bands.
Wing Span: 3 1/4 - 3 7/8 inches (8 - 9.9 cm).
Life History: Fully-grown caterpillars pupate and overwinter in underground burrows.
Flight: . One brood from May-July.
Caterpillar Hosts: Not reported.
Adult Food: Probably flower nectar.
Habitat: Pinyon-juniper woodland and similar arid situations.
Range: Nevada, Utah, Colorado, Arizona, and New Mexico.
Conservation: Study of population status and ecological requirements is recommended.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: None reported.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 39 verified sightings

Observation date: May 11, 2015
Submitted by: opiliones
Region: Clark County, Nevada, United States
Verified by: Robert Martin
Verified date: May 15, 2015

Observation date: Jul 15, 2014
Submitted by: J_Martineau
Region: Carbon County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 03, 2014

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: Sep 24, 2012
Submitted by: rcoltman
Region: Maricopa County, Arizona, United States
Verified by: kellyrichers
Verified date: Sep 25, 2012

Observation date: Jul 18, 2011
Submitted by: J_Martineau
Region: Carbon County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 03, 2012

Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010

Observation date: Oct 10, 1998
Submitted by: legacy.reporter (James P. Tuttle)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: Aug 09, 2002
Submitted by: legacy.reporter (B/B)
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: Jun 15, 1975
Submitted by: legacy.reporter (Michael D. VanBuskirk)
Region: Coconino County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: Aug 15, 1997
Submitted by: legacy.reporter (M. Smith & J. Tuttle)
Region: Yavapai County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: Oct 05, 1998
Submitted by: legacy.reporter (James P. Tuttle)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: Jul 07, 1997
Submitted by: legacy.reporter (C. Bordelon & E. Knudson)
Region: Graham County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009

Observation date: unknown
Submitted by: legacy.reporter
Region: Esmeralda County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Maricopa County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Las Animas County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Lincoln County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Alpine County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Summit County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Box Elder County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Gila County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: La Plata County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: McKinley County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Eureka County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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