Attributes of Speyeria idalia

Regal Fritillary
Speyeria idalia (Drury, 1773)

Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Large. Upperside of forewing bright red-orange with black markings. Upperside of hindwing black with postmedian row of white spots; submarginal row of spots is orange in male and white in female.
Wing Span: 2 5/8 - 4 1/8 inches (6.7 - 10.5 cm).
Life History: Males patrol for females with a low, steady flight. Females walk through vegetation to lay single eggs on various plants, even if the host violets are not present. Most eggs are laid in August. The caterpillars hatch and overwinter unfed; in spring they eat leaves of host plants.
Flight: One brood from mid-June to mid-August.
Caterpillar Hosts: Violets including bird\'s foot violet (Viola pedata).
Adult Food: Nectar from flowers of milkweeds, thistles, red clover, and mountain mint.
Habitat: Tall-grass prairie and other open sites including damp meadows, marshes, wet fields, and mountain pastures.
Range: Tall-grass prairie remnants in Montana and North Dakota south to Colorado, Nebraska, and Oklahoma; rare or absent from former range east of the Appalachians.
Conservation: Rapidly vanishing or declining in much of its range. A species of concern for the United States Fish and Wildlife Service. All populations should be 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: Monitor populations and manage populations on public lands and preserves.
Taxonomy Notes:

Images of Speyeria idalia

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Speyeria idalia - 182886.jpg

Speyeria idalia - 182886.jpg
Speyeria idalia - Speyeria_idalia.jpg

Speyeria idalia - Speyeria_idalia.jpg
Speyeria idalia - Speyeria_idalia2.jpg

Speyeria idalia - Speyeria_idalia2.jpg
Speyeria idalia - Speyeria_idalia3.jpg

Speyeria idalia - Speyeria_idalia3.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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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
August 10, 2013 pfenster Morton County, North Dakota, United States February 19, 2014 Details
July 20, 2013 tjantscher Linn County, Iowa, United States February 06, 2014 Details
July 17, 2004 Dave Rintoul Riley County, Kansas, United States September 17, 2013 Details
July 11, 2013 James Fox Newton County, Indiana, United States July 12, 2013 Details
July 25, 2010 WestCoastLady Custer County, South Dakota, United States July 10, 2013 Details
July 27, 2012 Brett Budach Johnson County, Kansas, United States April 05, 2013 Details
July 01, 2012 J_Martineau Jackson County, South Dakota, United States February 09, 2013 Details
July 26, 2008 tjantscher Mills County, Iowa, United States February 03, 2013 Details
August 23, 2008 Prairie Wetlands Learning Center Otter Tail County, Minnesota, United States July 14, 2012 Details
June 08, 2011 MrLiZarD Sedgwick County, Kansas, United States July 12, 2011 Details
June 09, 2011 dswelfelt McPherson County, Kansas, United States July 12, 2011 Details
July 11, 2011 owenmcm Goodhue County, Minnesota, United States July 12, 2011 Details
June 25, 2011 JAHAR St Clair County, Missouri, United States July 11, 2011 Details
June 05, 2011 Steve Craig Barton County, Missouri, United States July 03, 2011 Details
January 01, 1959 legacy.reporter (Austin) Hartford County, Connecticut, United States May 01, 2011 Details
January 01, 1904 legacy.reporter (Britton) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1925 legacy.reporter (Britton) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1904 legacy.reporter (Britton) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1906 legacy.reporter (Britton) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1869 legacy.reporter (Dwinelle) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1935 legacy.reporter (Gertsch) Fairfield County, Connecticut, United States May 01, 2011 Details
January 01, 1939 legacy.reporter (Godwin) Hartford County, Connecticut, United States May 01, 2011 Details
January 01, 1960 legacy.reporter (Hessel) Fairfield County, Connecticut, United States May 01, 2011 Details
January 01, 1961 legacy.reporter (Hessel) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1959 legacy.reporter (Hessel) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1960 legacy.reporter (Hessel) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1961 legacy.reporter (Hessel) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1941 legacy.reporter (Johnson) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1951 legacy.reporter (Lusas) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1959 legacy.reporter (Muller) Fairfield County, Connecticut, United States May 01, 2011 Details
January 01, 1962 legacy.reporter (Muller) Fairfield County, Connecticut, United States May 01, 2011 Details
January 01, 1932 legacy.reporter (Muller) Fairfield County, Connecticut, United States May 01, 2011 Details
January 01, 1958 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1962 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1958 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1960 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1962 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1963 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1971 legacy.reporter (Muller) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1957 legacy.reporter (Muller) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1958 legacy.reporter (Muller) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1962 legacy.reporter (Muller) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1951 legacy.reporter (Remington) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1940 legacy.reporter (Sanford) Litchfield County, Connecticut, United States May 01, 2011 Details
January 01, 1869 legacy.reporter (Shepard) Hartford County, Connecticut, United States May 01, 2011 Details
January 01, 1899 legacy.reporter (Sturgis) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1904 legacy.reporter (Viereck) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1904 legacy.reporter (Viereck) New Haven County, Connecticut, United States May 01, 2011 Details
January 01, 1959 legacy.reporter (Wilhelm) Tolland County, Connecticut, United States May 01, 2011 Details
January 01, 1943 legacy.reporter (Zebold) Litchfield County, Connecticut, United States May 01, 2011 Details