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.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 447 verified sightings
Observation date: Jul 25, 2022
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 02, 2022
Observation date: Jul 16, 2022
Submitted by: Shearwater13
Region: Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 21, 2022
Observation date: Jul 12, 2022
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 18, 2022
Observation date: Jul 11, 2022
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 17, 2022
Observation date: Jun 12, 2022
Submitted by: Selwyn Quan
Region: San Mateo County, California, United States
Verified by: Ken Davenport
Verified date: Jun 19, 2022
Observation date: May 31, 2022
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 03, 2022
Observation date: Jun 14, 2011
Submitted by: Samela95437
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: May 31, 2022
Observation date: May 21, 2022
Submitted by: Selwyn Quan
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: May 28, 2022
Observation date: May 22, 2022
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 24, 2022
Observation date: Jun 18, 2018
Submitted by: Mark Salvato
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Oct 19, 2021
Observation date: Jul 28, 2020
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 11, 2021
Observation date: Jul 15, 2020
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 11, 2021
Observation date: Jul 15, 2020
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 31, 2021
Observation date: Jul 22, 2021
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 22, 2021
Observation date: Jul 09, 2021
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 23, 2021
Observation date: Jul 18, 2021
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 19, 2021
Observation date: Jul 13, 2021
Submitted by: hiker96
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 14, 2021
Observation date: Jun 22, 2021
Submitted by: sandyleapt
Region: Benton County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jul 07, 2021
Observation date: Jun 30, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 01, 2021
Observation date: Jun 30, 2021
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 01, 2021
Observation date: Jun 17, 2021
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jun 18, 2021
Observation date: May 10, 2021
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 26, 2021
Observation date: Jul 07, 2020
Submitted by: Karen Richardson
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 16, 2020
Observation date: Jul 01, 2020
Submitted by: dsperanza
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 09, 2020
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