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 573 verified sightings
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
Observation date: Apr 15, 2011
Submitted by: Cascade Colors
Region: Douglas County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 19, 2022
Observation date: May 05, 2022
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 27, 2022
Observation date: Apr 30, 2022
Submitted by: WYbutterflyer1
Region: Fremont County, Colorado, United States
Verified by: mikefisher
Verified date: Jun 26, 2022
Observation date: Apr 21, 2022
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 22, 2022
Observation date: Apr 15, 2022
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 16, 2022
Observation date: Apr 11, 2022
Submitted by: Joshua C
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 13, 2022
Observation date: Apr 08, 2022
Submitted by: mashoop58
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 11, 2022
Observation date: Apr 05, 2022
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 08, 2022
Observation date: Apr 15, 2021
Submitted by: Smew
Region: Butte County, California, United States
Verified by: jwileyrains
Verified date: Feb 20, 2022
Observation date: Feb 10, 2022
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Feb 11, 2022
Observation date: Jun 22, 2013
Submitted by: davidelwonger@m...
Region: Teller County, Colorado, United States
Verified by: jwileyrains
Verified date: Jan 26, 2022
Observation date: Apr 02, 2017
Submitted by: Mark Salvato
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Nov 23, 2021
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