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 1 - 24 of 585 verified sightings
Observation date: Apr 12, 2025
Submitted by: Cactuswren1976
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 24, 2025
Observation date: Mar 09, 2025
Submitted by: Marta Reece
Region: Grant County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 14, 2025
Observation date: Mar 29, 2025
Submitted by: bonfrey
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 14, 2025
Observation date: Apr 18, 2016
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Mar 24, 2025
Observation date: Mar 28, 2021
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Nov 18, 2024
Observation date: Apr 19, 2024
Submitted by: dvollmar
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2024
Observation date: Apr 18, 2024
Submitted by: dvollmar
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2024
Observation date: May 19, 2024
Submitted by: bonfrey
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 26, 2024
Observation date: May 12, 2023
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Jun 14, 2024
Observation date: Apr 25, 2024
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: May 01, 2024
Observation date: Apr 16, 2024
Submitted by: TomPeterson
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Apr 26, 2024
Observation date: Mar 20, 2024
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 23, 2024
Observation date: May 03, 2016
Submitted by: Robb Hannawacker
Region: San Juan County, Utah, United States
Verified by: James Steen
Verified date: Aug 31, 2023
Observation date: Apr 13, 2023
Submitted by: katb1
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Jul 27, 2023
Observation date: Apr 26, 2021
Submitted by: katiefouse
Region: Douglas County, Colorado, United States
Verified by: mikefisher
Verified date: May 29, 2023
Observation date: May 18, 2023
Submitted by: Dobber31
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: May 20, 2023
Observation date: Apr 29, 2023
Submitted by: Marta Reece
Region: Lincoln County, New Mexico, United States
Verified by: stevecary
Verified date: May 06, 2023
Observation date: Apr 16, 2023
Submitted by: Marta Reece
Region: Otero County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 18, 2023
Observation date: Apr 30, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 15, 2023
Observation date: Apr 13, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 15, 2023
Observation date: May 04, 2021
Submitted by: wildebynature
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 15, 2023
Observation date: Apr 07, 2023
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 08, 2023
Observation date: Mar 13, 2023
Submitted by: Tom Dudones
Region: Maricopa County, Arizona, United States
Verified by: John Saba
Verified date: Mar 22, 2023
Observation date: May 11, 2022
Submitted by: stevecary
Region:
Verified by: stevecary
Verified date: Dec 23, 2022
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