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.
Alternate Scientific Names:
Proclossiana eunomia
Get your 2023 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 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: Carbon County, 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: Luce County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jun 21, 1996
Submitted by: legacy.reporter (Carr, Thomas)
Region: Chippewa County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
- 1 of 4
- next ›