Bog Fritillary
Boloria eunomia (Esper, 1800)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Upperside orange-brown to tan with dark markings. Underside of hindwing orange with light nonmetallic bands; postmedian row spots are white bordered with black.
Wing Span: 1 1/4 - 1 3/4 inches (3.2 - 4.5 cm).
Life History: Males patrol in wet areas for females. Eggs are laid in groups of 2-4 under host plant leaves, which the caterpillars eat. Third- and fourth-stage caterpillars overwinter.
Flight: One brood from June-August.
Caterpillar Hosts: Willow (Salix), alpine smartweed (Polygonum viviparum), and violets (Viola).
Adult Food: Nectar from flowers including Labrador tea and goldenrod.
Habitat: Bogs, moist tundra, willow seeps.
Range: Alaska and most of Canada south to the bordering United States including northern Maine and the northern Great Lakes region; south in the Rocky Mountains to Colorado.
Conservation: Not usually of conservation concern.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Alternate Scientific Names:
Proclossiana eunomia
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Verified Sightings
Displaying 1 - 24 of 95 verified sightings
Observation date: Aug 12, 2022
Submitted by: NikkiM
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Apr 06, 2023
Observation date: Jun 24, 2021
Submitted by: Rick Sinnott
Region: Denali, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 11, 2023
Observation date: Jun 24, 2018
Submitted by: Melinda Fawver
Region: Nome, Alaska, United States
Verified by: Paul Prappas
Verified date: Feb 07, 2023
Observation date: Jul 18, 2021
Submitted by: Christian.Nunes
Region: Eagle County, Colorado, United States
Verified by: mikefisher
Verified date: Dec 29, 2021
Observation date: Aug 01, 2021
Submitted by: bjones7777
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Sep 08, 2021
Observation date: Jul 21, 2021
Submitted by: Cascade Colors
Region: Clear Creek County, Colorado, United States
Verified by: mikefisher
Verified date: Aug 29, 2021
Observation date: May 31, 2021
Submitted by: David Allen Jones
Region: Sawyer County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Jun 16, 2021
Observation date: Jul 11, 2020
Submitted by: J_Martineau (Charlotte Martineau)
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 06, 2021
Observation date: Jul 18, 2020
Submitted by: Eric Olson
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Nov 12, 2020
Observation date: Jun 26, 2020
Submitted by: dbrudin
Region: Teller County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 25, 2020
Observation date: Jul 06, 2018
Submitted by: Paul Prappas
Region: Alberta, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jul 03, 2018
Submitted by: Jason Beason
Region: North Slope, Alaska, United States
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jul 01, 2017
Submitted by: hydapse
Region: Montana, United States
Verified by: J_Martineau
Verified date: Jul 18, 2018
Observation date: Jun 12, 2017
Submitted by: Stylurus
Region: Alger County, Michigan, United States
Verified by: rosslayberry
Verified date: Jun 15, 2017
Observation date: Jun 29, 2016
Submitted by: routledge_Sault...
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Jun 30, 2016
Observation date: Jun 17, 2015
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: azukoff
Verified date: Feb 19, 2016
Observation date: Jun 17, 2015
Submitted by: routledge_Sault...
Region: Ontario, Canada
Verified by: rosslayberry
Verified date: Dec 30, 2015
Observation date: Jun 27, 2015
Submitted by: janazak
Region: Northwest Territories, Canada
Verified by: rosslayberry
Verified date: Jul 06, 2015
Observation date: Jun 30, 2011
Submitted by: Larry S Price
Region: Matanuska-Susitna, Alaska, United States
Verified by: Norbert Kondla
Verified date: Jul 20, 2013
Observation date: Jun 23, 2013
Submitted by: corey.husic
Region: Denali, Alaska, United States
Verified by: Norbert Kondla
Verified date: Jul 20, 2013
Observation date: Jun 16, 2011
Submitted by: Tommie Rogers
Region: Denali, Alaska, United States
Verified by: Norbert Kondla
Verified date: Jun 13, 2012
Observation date: Aug 14, 2011
Submitted by: J_Martineau
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Nov 27, 2011
Observation date: Jun 15, 1995
Submitted by: legacy.reporter (Nielsen, Mogens C.)
Region: Mackinac County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jun 13, 1997
Submitted by: legacy.reporter (Kriegel, Robert)
Region: Luce County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
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