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 481 - 504 of 798 verified sightings
Observation date: May 28, 1985
Submitted by: legacy.reporter (Koenig, Phillip E.)
Region: Mississippi County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Koenig, Phillip E. 1985)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1971
Submitted by: legacy.reporter (Doyle, Kathleen)
Region: Pike County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1971)
Verified date: Mar 11, 2009
Observation date: Sep 11, 1957
Submitted by: legacy.reporter (Staubin, F.E.)
Region: Cooper County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jun 08, 1970
Submitted by: legacy.reporter
Region: Buchanan County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1972)
Verified date: Mar 11, 2009
Observation date: Jul 25, 1970
Submitted by: legacy.reporter (Houser, E.C.)
Region: Pemiscot County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1976
Submitted by: legacy.reporter (Tuttle, Susie)
Region: Sullivan County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1976)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1987
Submitted by: legacy.reporter (Brown, Jeramy)
Region: St. Clair County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1987)
Verified date: Mar 11, 2009
Observation date: Jul 03, 1976
Submitted by: legacy.reporter
Region: Lewis County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1971
Submitted by: legacy.reporter (Paris, Gwen)
Region: Putnam County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1971)
Verified date: Mar 11, 2009
Observation date: Jul 15, 1969
Submitted by: legacy.reporter (Burgess, L.P.)
Region: Platte County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1972
Submitted by: legacy.reporter (Tietsort, Rene)
Region: Harrison County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1972)
Verified date: Mar 11, 2009
Observation date: Jun 15, 1937
Submitted by: legacy.reporter (Meiners, E.P.)
Region: Jefferson County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1973
Submitted by: legacy.reporter (Josoff, Donna)
Region: Mercer County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1973)
Verified date: Mar 11, 2009
Observation date: Jun 26, 1980
Submitted by: legacy.reporter (Heevner, Scott)
Region: Clark County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1980)
Verified date: Mar 11, 2009
Observation date: Aug 21, 1969
Submitted by: legacy.reporter
Region: Platte County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jul 18, 1964
Submitted by: legacy.reporter (Heitzman, J. Richard)
Region: Randolph County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R.)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1971
Submitted by: legacy.reporter (Tate, Christian)
Region: Callaway County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1971)
Verified date: Mar 11, 2009
Observation date: Aug 17, 1933
Submitted by: legacy.reporter (Meiners, E.P.)
Region: Jefferson County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1972
Submitted by: legacy.reporter (Shumard, Philip)
Region: Monroe County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1972)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1974
Submitted by: legacy.reporter
Region: Grundy County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: May 25, 1975
Submitted by: legacy.reporter (Northcut, John)
Region: Ralls County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1975)
Verified date: Mar 11, 2009
Observation date: Jan 01, 1987
Submitted by: legacy.reporter (Steins, David)
Region: Nodaway County, Missouri, United States
Verified by: legacy.verifier (Phillip Koenig; Heitzman, J.R. 1987)
Verified date: Mar 11, 2009
Observation date: Oct 01, 1969
Submitted by: legacy.reporter (Fillinger)
Region: Henry County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
Observation date: Jul 13, 1989
Submitted by: legacy.reporter (Ashley, D.C.)
Region: Atchison County, Missouri, United States
Verified by: Phillip E. Koenig (Phillip Koenig)
Verified date: Mar 11, 2009
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