Great ash sphinx
Sphinx chersis (Hübner, 1823)
Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is soft dark gray to blue-gray with a series of black dashes, one of which reaches the wing tip. Hindwing is black with blurry pale gray bands.
Wing Span: 3 9/16 - 5 1/8 inches (9 - 13 cm).
Life History: Fully-grown caterpillars pupate in burrows in the soil. Caterpillars from the second generation pupate and overwinter in their burrows.
Flight: . Two broods in the south from May-June and from July-August.
Caterpillar Hosts: A variety of plants including lilac (Syringa vulgaris), quaking aspen (Populus tremuloides), ash (Fraxinus), and privet (Ligustrum).
Adult Food: Deep-throated flowers such as Japanese honeysuckle (Lonicera japonica), bouncing bet (Saponaria officinalis), dogbane (Apocynum), and evening primrose (Onagraceae).
Habitat: A wide variety of woodlands and arid western scrublands.
Range: Mexico north through most of the United States, but rare in the Gulf States.
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.
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Verified Sightings
Displaying 25 - 48 of 476 verified sightings
Observation date: Jul 26, 2021
Submitted by: NJSqueak
Region: Riverside County, California, United States
Verified by: mcduck
Verified date: Sep 05, 2022
Observation date: Aug 22, 2022
Submitted by: Hollyberrybug68
Region: Ravalli County, Montana, United States
Verified by: J_Martineau
Verified date: Aug 22, 2022
Observation date: Jul 18, 2018
Submitted by: Jill1229
Region: Grand Forks County, North Dakota, United States
Verified by: jwileyrains
Verified date: Aug 13, 2022
Observation date: Jul 26, 2022
Submitted by: jerzey
Region: Mendocino County, California, United States
Verified by: jwileyrains
Verified date: Aug 09, 2022
Observation date: Jul 13, 2022
Submitted by: Zancan
Region: Hennepin County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 26, 2022
Observation date: Jul 22, 2022
Submitted by: Chikkenmama
Region: Grafton County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Jul 24, 2022
Observation date: Jun 04, 2022
Submitted by: Jennibaum
Region: Pickens County, South Carolina, United States
Verified by: rogerdowner
Verified date: Jun 21, 2022
Observation date: Oct 17, 2018
Submitted by: samcosio
Region: Los Angeles County, California, United States
Verified by: jwileyrains
Verified date: Feb 26, 2022
Observation date: Jun 23, 2019
Submitted by: Cynthia Tomasek
Region: Los Angeles County, California, United States
Verified by: jwileyrains
Verified date: Feb 25, 2022
Observation date: Oct 04, 2019
Submitted by: MagnumMike38
Region: Humboldt County, California, United States
Verified by: jwileyrains
Verified date: Feb 25, 2022
Observation date: Sep 09, 2021
Submitted by: Kinkykitty67
Region: Siskiyou County, California, United States
Verified by: jwileyrains
Verified date: Feb 25, 2022
Observation date: Aug 28, 2015
Submitted by: chuckwar
Region: Quebec, Canada
Verified by: jwileyrains
Verified date: Feb 20, 2022
Observation date: Aug 17, 2019
Submitted by: kellyhorse
Region: Alberta, Canada
Verified by: jwileyrains
Verified date: Feb 19, 2022
Observation date: Sep 05, 2020
Submitted by: pilonm
Region: Quebec, Canada
Verified by: jwileyrains
Verified date: Feb 19, 2022
Observation date: Aug 27, 2017
Submitted by: 1stacy1
Region: Eaton County, Michigan, United States
Verified by: jwileyrains
Verified date: Feb 17, 2022
Observation date: Aug 25, 2019
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 14, 2022
Observation date: Aug 20, 2019
Submitted by: ThaisM
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 14, 2022
Observation date: Aug 31, 2019
Submitted by: arthurgoldsmith
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 14, 2022
Observation date: Sep 22, 2019
Submitted by: TysonAimer
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 14, 2022
Observation date: Sep 16, 2019
Submitted by: Spankeeez
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 14, 2022
Observation date: Aug 07, 2017
Submitted by: LauraMaskell
Region: Ontario, Canada
Verified by: jwileyrains
Verified date: Feb 09, 2022
Observation date: Jun 30, 2014
Submitted by: lashawn332000
Region: Allen County, Indiana, United States
Verified by: jwileyrains
Verified date: Feb 08, 2022
Observation date: Aug 10, 2017
Submitted by: cmwallace2
Region: Scott County, Iowa, United States
Verified by: jwileyrains
Verified date: Feb 05, 2022
Observation date: Oct 15, 2016
Submitted by: Qazwsx123
Region: Pima County, Arizona, United States
Verified by: jwileyrains
Verified date: Feb 02, 2022
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