Attributes of Euphydryas gillettii

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.
Taxonomy Notes:

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The map below displays all BAMONA data for this species and has three different data layers:
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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
January 01, 1950 legacy.reporter Bonner County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Shoshone County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Nez Perce County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lewis County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Idaho County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Teton County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Valley County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lemhi County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Custer County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Boise County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Blaine County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Clark County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fremont County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Caribou County, Idaho, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Flathead County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Glacier County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Pondera County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sanders County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mineral County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Missoula County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fergus County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Judith Basin County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Cascade County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lewis And Clark County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Powell County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Deer Lodge County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Beaverhead County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Madison County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Gallatin County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Golden Valley County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Silver Bow County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Wallowa County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Yellowstone National Park County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Park County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Teton County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lincoln County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Uinta County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sublette County, Wyoming, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fremont County, Wyoming, United States December 31, 2004 Details
July 17, 2000 stevekohler (Steve Kohler) Teton County, Montana, United States February 04, 2008 Details
July 31, 1938 legacy.reporter Teton County, Wyoming, United States October 29, 2008 Details
June 24, 1986 legacy.reporter (S.J. Kohler) Flathead County, Montana, United States October 29, 2008 Details
January 01, 1950 legacy.reporter (C. Rungius) Fremont County, Wyoming, United States October 29, 2008 Details
June 14, 1941 legacy.reporter (E. Lumley) Cascade County, Montana, United States October 29, 2008 Details
June 14, 2008 legacy.reporter Bonner County, Idaho, United States October 29, 2008 Details
July 19, 1969 legacy.reporter (C.D. Ferris) Teton County, Wyoming, United States October 29, 2008 Details
June 25, 1931 legacy.reporter Teton County, Wyoming, United States October 29, 2008 Details
June 26, 1948 legacy.reporter Park County, Wyoming, United States October 29, 2008 Details
June 25, 1931 legacy.reporter Teton County, Wyoming, United States March 09, 2010 Details
July 19, 2011 Roland Alberta, Canada December 08, 2011 Details