Modest sphinx
Pachysphinx modesta (Harris, 1839)
Family: Sphingidae
Subfamily: Sphinginae
Identification: Upperside of forewing is gray with the basal third lighter; sometimes the outer third also is light, leaving just the median band dark. Upperside of hindwing is gray with a crimson patch and an inward-pointing blue-black triangle near the outer margin.
Wing Span: 3 - 4 11/16 inches (7.6 - 12 cm).
Life History: Females lay eggs on leaves of the hosts, and the eggs hatch in about 9 days. Fully-grown caterpillars pupate and overwinter in shallow burrows in the ground.
Flight: . One brood in the north from June-July, two broods in the south from May-September.
Caterpillar Hosts: Poplar, aspen, and cottonwood (Populus) and willow (Salix).
Adult Food: Adults do not feed.
Habitat: Riparian areas and moist mountainsides.
Range: Maine south to north Florida; west to Washington, Oregon, Utah, New Mexico, and Texas. Also Baja California Norte.
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 433 - 456 of 797 verified sightings
Observation date: Jun 06, 2011
Submitted by: driennea
Region: Anoka County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Aug 29, 2011
Observation date: Jul 01, 2011
Submitted by: Photog Paul
Region: Marquette County, Michigan, United States
Verified by: Ranger Steve Mueller
Verified date: Aug 14, 2011
Observation date: Jun 05, 2011
Submitted by: CookieCrisp
Region: Outagamie County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Aug 10, 2011
Observation date: Jun 25, 2011
Submitted by: ladybug9222
Region: St. Croix County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Aug 10, 2011
Observation date: Jul 10, 2011
Submitted by: bizymare
Region: Kenosha County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Aug 10, 2011
Observation date: Jul 03, 2011
Submitted by: GBezeau
Region: Quebec, Canada
Verified by: chantalhamelkropf
Verified date: Aug 05, 2011
Observation date: Jul 02, 2011
Submitted by: debaloi
Region: Fulton County, New York, United States
Verified by: H.D. McGuinness
Verified date: Jul 28, 2011
Observation date: Jun 27, 2011
Submitted by: annaml
Region: Lamoille County, Vermont, United States
Verified by: Tom Middagh
Verified date: Jul 28, 2011
Observation date: Jun 29, 2011
Submitted by: markmcc
Region: Aroostook County, Maine, United States
Verified by: anthony.thomas
Verified date: Jul 22, 2011
Observation date: Jul 19, 2011
Submitted by: Alexmoore
Region: Hennepin County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 21, 2011
Observation date: Jul 20, 2011
Submitted by: Melanie Jones
Region: Marshall County, Indiana, United States
Verified by: rogerdowner
Verified date: Jul 20, 2011
Observation date: Jul 15, 2011
Submitted by: Leslieleb
Region: Rockingham County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Jul 15, 2011
Observation date: Jun 01, 2011
Submitted by: gracie_lou
Region: Shawnee County, Kansas, United States
Verified by: jim.mason
Verified date: Jul 11, 2011
Observation date: Jul 05, 2011
Submitted by: RosCharest
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jul 07, 2011
Observation date: Jul 02, 2011
Submitted by: curtis.lehman
Region: Armstrong County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jul 02, 2011
Observation date: Jun 25, 2011
Submitted by: wmumma
Region: Prince Edward Island, Canada
Verified by: anthony.thomas
Verified date: Jun 30, 2011
Observation date: Jun 15, 2011
Submitted by: Jessica725
Region: Yakima County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 23, 2011
Observation date: Jun 05, 2011
Submitted by: jpmmq2
Region: Columbia County, New York, United States
Verified by: H.D. McGuinness
Verified date: Jun 13, 2011
Observation date: Jun 08, 2011
Submitted by: Marie
Region: Rutland County, Vermont, United States
Verified by: H.D. McGuinness
Verified date: Jun 11, 2011
Observation date: Jun 01, 2011
Submitted by: nymphomale101
Region: Warren County, New York, United States
Verified by: H.D. McGuinness
Verified date: Jun 11, 2011
Observation date: Jun 08, 2011
Submitted by: Timothy
Region: New Brunswick, Canada
Verified by: anthony.thomas
Verified date: Jun 09, 2011
Observation date: May 27, 2011
Submitted by: Plbb26
Region: Wayne County, New York, United States
Verified by: H.D. McGuinness
Verified date: Jun 05, 2011
Observation date: Jun 01, 2011
Submitted by: ifoundamoth
Region: Rensselaer County, New York, United States
Verified by: H.D. McGuinness
Verified date: Jun 03, 2011
Observation date: May 29, 2011
Submitted by: curtis.lehman (Jeff Pusateri)
Region: Cambria County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jun 03, 2011
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