Spring White
Pontia sisymbrii (Boisduval, 1852)
Family: Pieridae
Subfamily: Pierinae
Identification: Upperside of both wings with dark veins on white to creamy yellow background; front wing cell bar is narrow. Veins of underside of hindwing may be edged widely with olive.
Wing Span: 1 1/4 - 1 3/4 inches (3 - 4.5 cm).
Life History: Males patrol hilltops, ridges, or bottoms of canyons in search of females. Eggs are laid singly on any part of the host plants. Young caterpillars feed on leaves, older ones on flowers. Chrysalids hibernate.
Flight: One flight from February-July.
Caterpillar Hosts: Plants in the mustard family (Brassicaceae) including hedge mustard (Sisymbrium), rock cresses (Arabis), and tansy-mustard (Descurainia) species.
Adult Food: Not reported.
Habitat: Desert hills and other dry slopes, rocky canyons and outcrops, roadsides, open coniferous forests.
Range: British Columbia south to Baja California, east to western Nebraska and western South Dakota.
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 noted.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 511 verified sightings
Observation date: Apr 21, 2017
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: May 30, 2017
Observation date: Feb 25, 2017
Submitted by: diwalks2@gmail.com
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 04, 2017
Observation date: May 28, 2015
Submitted by: JoseBonner
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 28, 2017
Observation date: May 28, 2015
Submitted by: JoseBonner
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 28, 2017
Observation date: Apr 21, 2016
Submitted by: techs
Region: Crook County, Oregon, United States
Verified by: Ken Davenport
Verified date: Sep 04, 2016
Observation date: Jul 12, 2016
Submitted by: Bixia
Region: Alpine County, California, United States
Verified by: Ken Davenport
Verified date: Jul 31, 2016
Observation date: Apr 12, 2016
Submitted by: PDunwiddie
Region: Grant County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 14, 2016
Observation date: Feb 20, 2016
Submitted by: TPeterson
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Feb 28, 2016
Observation date: Feb 20, 2016
Submitted by: TPeterson
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Feb 28, 2016
Observation date: Apr 28, 2015
Submitted by: Kristie Nelson
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Apr 29, 2015
Observation date: Jun 24, 2014
Submitted by: rcav
Region: Yellowstone National Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 29, 2014
Observation date: May 01, 2014
Submitted by: BabcockWebb
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 22, 2014
Observation date: Apr 26, 2014
Submitted by: Dwaine Wagoner
Region: Big Horn County, Wyoming, United States
Verified by: J_Martineau
Verified date: Apr 28, 2014
Observation date: Mar 21, 2014
Submitted by: John Wilson
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 21, 2014
Observation date: Apr 12, 2014
Submitted by: allelopath
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 21, 2014
Observation date: Apr 13, 2014
Submitted by: allelopath
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 21, 2014
Observation date: Apr 05, 2014
Submitted by: Melanie Weiss
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 15, 2014
Observation date: Apr 13, 2014
Submitted by: PDunwiddie
Region: Grant County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 15, 2014
Observation date: Apr 01, 2013
Submitted by: Kari
Region: Maricopa County, Arizona, United States
Verified by: John Saba
Verified date: Apr 15, 2013
Observation date: Jun 03, 1985
Submitted by: legacy.reporter (Floyd & June Preston)
Region: Lander County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Jun 14, 1977
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Mar 15, 1997
Submitted by: legacy.reporter (Kilian Roever)
Region: La Paz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Feb 24, 1988
Submitted by: legacy.reporter (George T. Austin)
Region: Clark County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 30, 2005
Submitted by: legacy.reporter (Kilian Roever)
Region: Mohave County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
- 1 of 22
- next ›