National Moth Week is July 18-26!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.
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.
Please donate!
We depend on donations to keep Butterflies and Moths of North America freely available. We want to express our gratitude to all who showed their support by making a contribution this year. You can donate to support this project at any time.
Advertise with us!
Do you have a product or service that you think would interest BAMONA users? If you would like to advertise on this website, contact us by email, or use the contact form and select the "Advertising" category.
Verified Sightings
Displaying 409 - 432 of 796 verified sightings

Observation date: Jun 03, 2012
Submitted by: Darrick
Region: Ada County, Idaho, United States
Verified by: kent
Verified date: Jun 16, 2012

Observation date: Jun 11, 2012
Submitted by: LauraMaskell
Region: Ontario, Canada
Verified by: anthony.thomas
Verified date: Jun 15, 2012

Observation date: Jul 28, 2011
Submitted by: ub in ne
Region: Dodge County, Nebraska, United States
Verified by: Steve Spomer
Verified date: Jun 13, 2012

Observation date: Aug 19, 2011
Submitted by: Carols Eye
Region: Sarpy County, Nebraska, United States
Verified by: Steve Spomer
Verified date: Jun 13, 2012

Observation date: Jun 04, 2012
Submitted by: Adventure-Seeki...
Region: Tuscola County, Michigan, United States
Verified by: elsner
Verified date: Jun 13, 2012

Observation date: Jun 04, 2012
Submitted by: simonshack
Region: Ingham County, Michigan, United States
Verified by: elsner
Verified date: Jun 13, 2012

Observation date: May 25, 2012
Submitted by: Noel Mac Neil
Region: Grand Traverse County, Michigan, United States
Verified by: elsner
Verified date: May 31, 2012

Observation date: May 26, 2012
Submitted by: aarongunnar
Region: Dunn County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: May 31, 2012

Observation date: May 26, 2012
Submitted by: blairmorrison
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: May 29, 2012

Observation date: May 28, 2012
Submitted by: curtis.lehman (Jerry Skinner)
Region: Susquehanna County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: May 29, 2012

Observation date: May 29, 2012
Submitted by: nimmohomeschool
Region: Franklin County, Washington, United States
Verified by: davidwdroppers
Verified date: May 29, 2012

Observation date: May 28, 2012
Submitted by: leigh
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: May 28, 2012

Observation date: May 16, 2012
Submitted by: corey.husic
Region: Monroe County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: May 27, 2012

Observation date: May 18, 2012
Submitted by: David Trently
Region: Lackawanna County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: May 20, 2012

Observation date: May 18, 2012
Submitted by: kathott
Region: Ashtabula County, Ohio, United States
Verified by: rogerdowner
Verified date: May 18, 2012

Observation date: Mar 29, 2012
Submitted by: Bachasaur
Region: St. Martin Parish, Louisiana, United States
Verified by: rickypatterson
Verified date: May 16, 2012

Observation date: May 11, 2012
Submitted by: Zena Martin
Region: Dakota County, Minnesota, United States
Verified by: Tom Middagh
Verified date: May 13, 2012

Observation date: Aug 11, 2011
Submitted by: roadrunner
Region: Campbell County, Wyoming, United States
Verified by: J_Martineau
Verified date: Apr 18, 2012

Observation date: Jul 07, 2011
Submitted by: aeternal
Region: Monroe County, Michigan, United States
Verified by: elsner
Verified date: Apr 10, 2012

Observation date: Jul 26, 2011
Submitted by: Cory Branch
Region: Washington County, Idaho, United States
Verified by: Tom Middagh
Verified date: Feb 13, 2012

Observation date: Jul 23, 2010
Submitted by: ca00
Region: Valley County, Idaho, United States
Verified by: Tom Middagh
Verified date: Feb 11, 2012

Observation date: Aug 24, 2011
Submitted by: rfeins
Region: Okanogan County, Washington, United States
Verified by: davidwdroppers
Verified date: Nov 11, 2011

Observation date: Jul 15, 2011
Submitted by: Andromeda2311
Region: Windsor County, Vermont, United States
Verified by: H.D. McGuinness
Verified date: Sep 07, 2011

Observation date: Jun 06, 2011
Submitted by: driennea
Region: Anoka County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Aug 29, 2011
- ‹ previous
- 18 of 34
- next ›








