Frigga Fritillary
Boloria frigga (Thunberg, 1791)
Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Tip of forewing pointed. Wings orange-brown with black markings; darker at wing bases. Underside of hindwing with off-white patch near base of costal margin.
Wing Span: 1 1/2 - 2 inches (3.8 - 5.1 cm).
Life History: Males patrol in low areas of willow bogs. Hibernation is by nearly full-grown caterpillars.
Flight: One brood from late May-early August.
Caterpillar Hosts: Cranberry (Vaccinium) and bog rosemary (Andromeda), perhaps willow (Salix) and dwarf birch (Betula).
Adult Food: Flower nectar.
Habitat: Sedge and sphagnum bogs, arctic tundra.
Range: Holarctic. Northern Alaska and northern Canada east to Labrador, south to northern areas of Michigan, Minnesota, and Wisconsin. Isolated populations in Rocky Mountains to Wyoming and southcentral Colorado.
Conservation: Not usually of concern, but isolated populations may be of interest at the state or local level.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Maintain integrity of bog habitat.
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Verified Sightings
Displaying 1 - 24 of 68 verified sightings
Observation date: Jun 02, 2024
Submitted by: terrymortier
Region: Douglas County, Wisconsin, United States
Verified by: jmgesell
Verified date: Jun 05, 2024
Observation date: Jun 04, 2021
Submitted by: terrymortier
Region: Douglas County, Wisconsin, United States
Verified by: jmgesell
Verified date: Mar 11, 2024
Observation date: Jun 08, 2023
Submitted by: James F Parker
Region: Southeast Fairbanks, Alaska, United States
Verified by: Paul Prappas
Verified date: Jul 23, 2023
Observation date: Jun 03, 2022
Submitted by: Rick Sinnott
Region: Anchorage, Alaska, United States
Verified by: davidwdroppers
Verified date: Jan 27, 2023
Observation date: Jul 17, 2019
Submitted by: ncrosbyrd
Region: Park County, Colorado, United States
Verified by: mikefisher
Verified date: Oct 13, 2019
Observation date: Jun 06, 2018
Submitted by: J_Martineau
Region: Sublette County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 20, 2018
Observation date: May 31, 2015
Submitted by: nickenew
Region: Yukon-Koyukuk, Alaska, United States
Verified by: davidwdroppers
Verified date: Jun 16, 2015
Observation date: Jun 02, 2011
Submitted by: BOGwalker
Region: St. Louis County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jan 19, 2012
Observation date: Jun 14, 1996
Submitted by: legacy.reporter (Kriegel, Robert, Mogens Nielsen)
Region: Luce County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: May 14, 1998
Submitted by: legacy.reporter (Nielsen, Mogens C.)
Region: Schoolcraft County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jun 12, 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
Observation date: May 21, 1999
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
Observation date: May 14, 1998
Submitted by: legacy.reporter (Perkins, Owen A.)
Region: Luce County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jul 01, 2008
Submitted by: Norbert Kondla
Region: Yukon Territory, Canada
Verified by: Norbert Kondla
Verified date: Feb 20, 2011
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: Jun 24, 2002
Submitted by: legacy.reporter (Phillip deMaynadier & Reginald Webster)
Region: Piscataquis County, Maine, United States
Verified by: legacy.verifier (Reginald Webster, P.A. Opler)
Verified date: Mar 09, 2010
Observation date: Jun 24, 2002
Submitted by: legacy.reporter (Phillip deMaynadier & Reginald Webster)
Region: Piscataquis County, Maine, United States
Verified by: legacy.verifier (Reginald Webster, P.A. Opler)
Verified date: Mar 09, 2010
Observation date: Jul 07, 2006
Submitted by: stevekohler (Steve Kohler)
Region: Madison County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: Jun 21, 2005
Submitted by: legacy.reporter (R/R)
Region: Yukon-Koyukuk, Alaska, United States
Verified by: legacy.verifier (Lepidopterists' Society Season Summary)
Verified date: Jan 23, 2008
Observation date: Jun 28, 1995
Submitted by: legacy.reporter (F/P)
Region: Northwest Arctic, Alaska, United States
Verified by: legacy.verifier (Lepidopterists' Society Season Summary)
Verified date: Jan 23, 2008
Observation date: Jun 13, 1995
Submitted by: legacy.reporter (F/P)
Region: Southeast Fairbanks, Alaska, United States
Verified by: legacy.verifier (Lepidopterists' Society Season Summary)
Verified date: Jan 23, 2008
Observation date: Jul 01, 2001
Submitted by: legacy.reporter (KWP)
Region: North Slope, Alaska, United States
Verified by: legacy.verifier (Lepidopterists' Society Season Summary)
Verified date: Jan 23, 2008
Observation date: May 26, 1999
Submitted by: legacy.reporter (JLH)
Region: Fairbanks North Star, Alaska, United States
Verified by: legacy.verifier (Lepidopterists' Society Season Summary)
Verified date: Jan 23, 2008
Observation date: unknown
Submitted by: legacy.reporter
Region: Park County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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