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.
Get your BAMONA Gear!
Please donate!
We depend on donations to keep Butterflies and Moths of North America freely available. We want to express our gratitude to all who showed their support by making a contribution this year. You can donate to support this project at any time.
Advertise with us!
Do you have a product or service that you think would interest BAMONA users? If you would like to advertise on this website, contact us by email, or use the contact form and select the "Advertising" category.
Verified Sightings
Displaying 1 - 24 of 688 verified sightings
Observation date: Aug 23, 2024
Submitted by: bonfrey
Region: San Miguel County, New Mexico, United States
Verified by: stevecary
Verified date: Sep 29, 2024
Observation date: May 21, 2022
Submitted by: CheddahCurt
Region: Alberta, Canada
Verified by: Paul Prappas
Verified date: Sep 18, 2024
Observation date: Aug 29, 2024
Submitted by: weflybye
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 02, 2024
Observation date: Jul 31, 2024
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 27, 2024
Observation date: Jul 31, 2024
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 16, 2024
Observation date: Jul 31, 2024
Submitted by: Robert Gorman
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 11, 2024
Observation date: Jun 30, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 10, 2024
Observation date: Aug 02, 2024
Submitted by: Reneerob17
Region: San Miguel County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 05, 2024
Observation date: Jul 31, 2024
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 05, 2024
Observation date: Jun 27, 2024
Submitted by: k.d.stutzman
Region: Teton County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 22, 2024
Observation date: Jul 15, 2024
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2024
Observation date: Jul 05, 2024
Submitted by: topper72
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 10, 2024
Observation date: Jul 02, 2024
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 06, 2024
Observation date: Jun 06, 2024
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 01, 2024
Observation date: Jun 01, 2024
Submitted by: Cascade Colors
Region: Grand County, Colorado, United States
Verified by: mikefisher
Verified date: Jul 01, 2024
Observation date: Jun 09, 2024
Submitted by: Lisahug
Region: Marin County, California, United States
Verified by: Ken Davenport
Verified date: Jun 10, 2024
Observation date: May 25, 2024
Submitted by: dfagan746
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 07, 2024
Observation date: May 20, 2024
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: May 22, 2024
Observation date: May 02, 2024
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 02, 2024
Observation date: Apr 10, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Apr 16, 2024
Observation date: Mar 30, 2024
Submitted by: Waldport
Region: Lincoln County, Oregon, United States
Verified by: Ken Davenport
Verified date: Apr 11, 2024
Observation date: Mar 15, 2024
Submitted by: Dobber31
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Mar 17, 2024
Observation date: Mar 14, 2024
Submitted by: madamirie
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: Mar 15, 2024
Observation date: Mar 14, 2024
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 15, 2024
- 1 of 29
- next ›