Pacific Fritillary
Boloria epithore (W.H. Edwards, 1864)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Tip of forewing rounded. Upperside bright orange; black markings large on basal half of wing, small on outer half. Underside orange with purple-brown markings; hindwing with postmedian row of dark circles.
Wing Span: 1 3/8 - 1 3/4 inches (3.5 - 4.5 cm).
Life History: Males patrol for females all day in woods and meadows. Overwintering is by fourth-stage caterpillars.
Flight: One flight from May-August.
Caterpillar Hosts: Violets including Viola ocellata, V. sempervirens, and V. glabella.
Adult Food: Flower nectar.
Habitat: Openings in moist forests, wet meadows, streamsides.
Range: Central British Columbia east and south to Alberta and Montana, south along Pacific Coast to central California.
Conservation: Populations in California's Santa Cruz Mountains are limited and may be in jeopardy.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Inventory and monitor limited populations and propose any necessary conservation actions.
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Verified Sightings
Displaying 1 - 24 of 481 verified sightings
Observation date: Jul 17, 2024
Submitted by: Nancy Gleason
Region: Jefferson County, Washington, United States
Verified by: davidwdroppers
Verified date: Mar 18, 2025
Observation date: Jun 03, 1988
Submitted by: papilio1
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Nov 12, 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 06, 2024
Submitted by: rkw9000
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 25, 2024
Observation date: Jun 11, 2022
Submitted by: Alison Davies
Region: Fresno County, California, United States
Verified by: Ken Davenport
Verified date: Aug 09, 2024
Observation date: Jul 21, 2024
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: jwileyrains
Verified date: Jul 29, 2024
Observation date: Jul 17, 2024
Submitted by: pgericks
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 23, 2024
Observation date: Jun 30, 2024
Submitted by: mellenhead14
Region: Clatsop County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 08, 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 25, 2024
Submitted by: TomPeterson
Region: Tulare County, California, United States
Verified by: Ken Davenport
Verified date: Jul 01, 2024
Observation date: Jun 25, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 25, 2024
Observation date: Jun 09, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 14, 2024
Observation date: May 14, 2024
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 14, 2024
Observation date: Jul 25, 2023
Submitted by: madamirie
Region: Shasta County, California, United States
Verified by: Ken Davenport
Verified date: Aug 03, 2023
Observation date: Jul 25, 2023
Submitted by: madamirie
Region: Shasta County, California, United States
Verified by: Ken Davenport
Verified date: Aug 03, 2023
Observation date: Jul 05, 2023
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 05, 2023
Observation date: Jun 14, 2023
Submitted by: Sarahrinaye
Region: Douglas County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 30, 2023
Observation date: Jun 26, 2023
Submitted by: Dnewhall
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 27, 2023
Observation date: Jun 22, 2023
Submitted by: pdxgene711
Region: Clackamas County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 25, 2023
Observation date: Jun 13, 2023
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 13, 2023
Observation date: Jun 05, 2023
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 07, 2023
Observation date: May 28, 2023
Submitted by: cklindsey
Region: Walla Walla County, Washington, United States
Verified by: davidwdroppers
Verified date: May 31, 2023
Observation date: May 18, 2023
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2023
Observation date: Jul 05, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: Paul Prappas
Verified date: Apr 15, 2023
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