Gillette's Checkerspot
Euphydryas gillettii (Barnes, 1897)
Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside of both wings is dark brown with a wide orange-red submarginal band; other spots are orange-red and white.
Wing Span: 1 1/2 - 1 7/8 inches (3.8 - 4.8 cm).
Life History: Adults fly slowly and roost singly in conifers. Males patrol around tops of trees or tall flowers for females. Eggs are laid in batches on undersides of sunlit leaves so that the warmth helps the eggs develop faster. Young caterpillars live together in a silk nest, feeding on leaves and leaf buds. At low elevations, fourth-stage caterpillars hibernate. Populations at higher elevations require two years to complete development; during the first winter, young caterpillars hibernate after feeding for two weeks; during the second winter, fifth-stage caterpillars hibernate.
Flight: One brood from June-August.
Caterpillar Hosts: Plants of the honeysuckle family (Caprifoliaceae) including twin-berry honeysuckle (Lonicera involucrata) and snowberry (Symphoricarpus albus); and the figwort family (Scrophulariaceae) including speedwell (Veronica wormskjoldii).
Adult Food: Flower nectar.
Habitat: Open, moist conifer forests; moist meadows; streamsides.
Range: Very local in southwest Alberta, eastern Idaho, Montana, and western Wyoming.
Conservation: All populations should be monitored and conserved.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: Ensure presence of sufficient habitats in appropriate successional condition. Some captive propagation and reintroduction may be necessary.
Comments: NULL
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Verified Sightings
Displaying 25 - 48 of 68 verified sightings
Observation date: Jun 24, 1986
Submitted by: legacy.reporter (S.J. Kohler)
Region: Flathead County, Montana, United States
Verified by: legacy.verifier (S.J. Kohler)
Verified date: Oct 29, 2008
Observation date: Jun 14, 2008
Submitted by: legacy.reporter
Region: Bonner County, Idaho, United States
Verified by: legacy.verifier (P.A. Opler)
Verified date: Oct 29, 2008
Observation date: Jun 26, 1948
Submitted by: legacy.reporter
Region: Park County, Wyoming, United States
Verified by: legacy.verifier (P.A. Opler)
Verified date: Oct 29, 2008
Observation date: Jul 31, 1938
Submitted by: legacy.reporter
Region: Teton County, Wyoming, United States
Verified by: legacy.verifier (P.A. Opler)
Verified date: Oct 29, 2008
Observation date: Jul 17, 2000
Submitted by: stevekohler (Steve Kohler)
Region: Teton County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
Observation date: unknown
Submitted by: legacy.reporter
Region: Teton County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Nez Perce County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Blaine County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Mineral County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Beaverhead County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Golden Valley County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sublette County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Teton County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Caribou County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Judith Basin County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Yellowstone National Park County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Bonner County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Custer County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pondera County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Powell County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Madison County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lincoln County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lewis County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Clark County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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