Margined White
Pieris marginalis Scudder, 1861
Family: Pieridae
Subfamily: Pierinae
Identification: Summer form is pure white above and below; spring form has black-tipped upper forewing. Underside of hindwing and apex of forewing have veins edged with yellow-green or gray-green.
Wing Span: 1 1/2 - 2 1/4 inches (3.8 - 5.7 cm).
Life History: Males patrol for receptive females. Eggs are laid singly on underside of host plant leaves on which the caterpillars feed. Chrysalis hibernates.
Flight: Two flights from February-September in the West.
Caterpillar Hosts: Various native plants in the mustard (Brassicaceae) family.
Adult Food: Nectar from flowers of the mustard family and other plants.
Habitat: Forests, meadows, deciduous woods, streamsides.
Range: Southern British Columbia and Alberta south to central California and southern New Mexico; east to eastern Wyoming and eastern Colorado.
Conservation: Not usually required.
NCGR:
Management Needs: Study effects of logging and grazing.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 511 verified sightings
Observation date: Jul 08, 2018
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 12, 2018
Observation date: Jul 01, 2018
Submitted by: alyssa_d
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 02, 2018
Observation date: Jun 28, 2018
Submitted by: hiker96
Region: Grays Harbor County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 29, 2018
Observation date: Jun 27, 2018
Submitted by: Chris Carvalho
Region: Clackamas County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 28, 2018
Observation date: Jun 13, 2018
Submitted by: 4oclockwatch
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2018
Observation date: Jun 13, 2018
Submitted by: 4oclockwatch
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2018
Observation date: May 24, 2018
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 09, 2018
Observation date: May 24, 2018
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2018
Observation date: May 21, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: May 24, 2018
Observation date: Apr 27, 2018
Submitted by: clepsydrae
Region: Whatcom County, Washington, United States
Verified by: davidwdroppers
Verified date: May 04, 2018
Observation date: Apr 30, 2018
Submitted by: MAKI
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2018
Observation date: Apr 30, 2018
Submitted by: shastamax
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Apr 30, 2018
Observation date: Apr 30, 2018
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Apr 30, 2018
Observation date: Mar 29, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 31, 2018
Observation date: Mar 19, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 20, 2018
Observation date: Feb 15, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Feb 17, 2018
Observation date: Feb 09, 2018
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Feb 10, 2018
Observation date: Aug 15, 2017
Submitted by: rebeccafm
Region: Grand County, Colorado, United States
Verified by: A_baldini
Verified date: Dec 19, 2017
Observation date: May 29, 2010
Submitted by: Lisahug
Region: Marin County, California, United States
Verified by: Ken Davenport
Verified date: Dec 18, 2017
Observation date: Jun 22, 2016
Submitted by: ddrudis
Region: Juneau, Alaska, United States
Verified by: Norbert Kondla
Verified date: Nov 15, 2017
Observation date: Feb 26, 2009
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Oct 08, 2017
Observation date: Mar 24, 2007
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Oct 08, 2017
Observation date: May 29, 2010
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 29, 2017
Observation date: Apr 04, 2012
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 29, 2017
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