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
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Verified Sightings
Displaying 49 - 72 of 581 verified sightings
Observation date: Apr 21, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 25, 2020
Observation date: Apr 10, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 14, 2020
Observation date: Apr 18, 2019
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Feb 22, 2020
Observation date: Mar 06, 2019
Submitted by: stevecary
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jan 21, 2020
Observation date: Mar 05, 2019
Submitted by: stevecary
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jan 21, 2020
Observation date: Apr 23, 2019
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Dec 25, 2019
Observation date: Jul 22, 2019
Submitted by: MAKI
Region: Amador County, California, United States
Verified by: Ken Davenport
Verified date: Aug 02, 2019
Observation date: Jun 03, 2019
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 08, 2019
Observation date: May 12, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: May 18, 2019
Observation date: May 12, 2019
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: May 13, 2019
Observation date: Apr 08, 2019
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 10, 2019
Observation date: Mar 03, 2019
Submitted by: MAKI
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 06, 2019
Observation date: Mar 04, 2019
Submitted by: Doug Taron
Region: San Diego County, California, United States
Verified by: Doug Taron
Verified date: Mar 05, 2019
Observation date: Jun 02, 2015
Submitted by: dlister
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 19, 2018
Observation date: May 27, 2018
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 27, 2018
Observation date: May 10, 2018
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 09, 2018
Observation date: May 21, 2018
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: May 22, 2018
Observation date: Apr 02, 2018
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 16, 2018
Observation date: Apr 06, 2018
Submitted by: Paul Prappas
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Apr 10, 2018
Observation date: Mar 18, 2018
Submitted by: ncrosbyrd
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2018
Observation date: Mar 19, 2018
Submitted by: ncrosbyrd
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2018
Observation date: Mar 09, 2005
Submitted by: Martin Reid
Region: El Paso County, Texas, United States
Verified by: stomlins701
Verified date: Jan 29, 2018
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
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