Clemen's sphinx
Sphinx luscitiosa Clemens, 1859
Family: Sphingidae
Subfamily: Sphinginae
Identification: Upperside of forewing is yellowish gray in males; pale gray with a faint yellow tint in females. In both sexes, the dark border on the outer margin widens as it approaches the inner margin. Hindwing is deep yellow in males, pale yellow in females; both with a wide black border.
Wing Span: 2 1/4 - 3 1/8 inches (5.7 - 7.8 cm).
Life History: Fully-grown caterpillars pupate and overwinter in underground cells.
Flight: . One brood from June-July.
Caterpillar Hosts: Willow (Salix), poplar (Populus), birch (Betula), apple (Malus), ash (Fraxinus), waxmyrtle (Morella), and northern bayberry.
Adult Food: Nectar from deep-throated flowers including Russian-olive. One observer reported an adult male feeding on a decomposing fish.
Habitat: Not reported.
Range: Uncommon to rare in Nova Scotia south to New Jersey; west through Michigan, Wisconsin, and the northern plains to Alberta and Montana; south to Utah.
Conservation: A study is needed to determine current status.
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
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Verified Sightings
Displaying 1 - 24 of 60 verified sightings
Observation date: Jun 10, 2023
Submitted by: Jen Stenersen
Region: St. Louis County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Dec 29, 2023
Observation date: Jul 04, 2023
Submitted by: terrymortier
Region: Burnett County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 05, 2023
Observation date: Jun 13, 2018
Submitted by: LunaCaprice
Region: Caledonia County, Vermont, United States
Verified by: jwileyrains
Verified date: Nov 25, 2022
Observation date: Jun 26, 2011
Submitted by: chalicerae
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jul 07, 2020
Observation date: Jun 17, 2020
Submitted by: NWilcox24
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jun 17, 2020
Observation date: Jun 05, 2020
Submitted by: Robinsnest
Region: Burnett County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jun 06, 2020
Observation date: Jul 08, 2019
Submitted by: Gori88lla
Region: Hubbard County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Dec 28, 2019
Observation date: Jun 08, 2017
Submitted by: sansue
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Apr 23, 2019
Observation date: Jun 25, 2018
Submitted by: Agassiz
Region: Polk County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jun 29, 2018
Observation date: Sep 07, 2014
Submitted by: crm211b
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Sep 07, 2014
Observation date: Jul 18, 2012
Submitted by: manitowish
Region: Oneida County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Jul 28, 2012
Observation date: Jun 07, 2012
Submitted by: K. Java
Region: Burnett County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Jun 10, 2012
Observation date: May 26, 2012
Submitted by: WausauSue
Region: Marathon County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: May 31, 2012
Observation date: Jun 08, 2004
Submitted by: legacy.reporter (Julien Delisle)
Region: Quebec, Canada
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Sep 13, 2010
Observation date: Jan 01, 1913
Submitted by: legacy.reporter
Region: St. Louis City County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Schroers)
Verified date: Mar 11, 2009
Observation date: Jun 01, 1999
Submitted by: legacy.reporter (Matthew D. Arey)
Region: Essex County, Massachusetts, United States
Verified by: legacy.verifier (Matthew D. Arey)
Verified date: Nov 14, 2006
Observation date: unknown
Submitted by: legacy.reporter
Region: Cherry County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sullivan County, New York, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Peoria County, Illinois, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Crawford County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Monroe County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Albany County, New York, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Greene County, Pennsylvania, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Middlesex County, Massachusetts, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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