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.
Comments: NULL
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Verified Sightings
Displaying 289 - 312 of 873 verified sightings
Observation date: unknown
Submitted by: legacy.reporter
Region: Cattaraugus County, New York, United States
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Verified date: Dec 31, 2004
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Region: Paulding County, Ohio, United States
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Verified date: Dec 31, 2004
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Region: Greene County, Pennsylvania, United States
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Verified date: Dec 31, 2004
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Region: Jones County, South Dakota, United States
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Verified date: Dec 31, 2004
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Region: Marion County, West Virginia, United States
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Verified date: Dec 31, 2004
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Region: Clarke County, Virginia, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Frontier County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Cass County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Delaware County, New York, United States
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Verified date: Dec 31, 2004
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Region: Richland County, Ohio, United States
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Verified date: Dec 31, 2004
Observation date: unknown
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Region: Kent County, Rhode Island, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Gregory County, South Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Monongalia County, West Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
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Region: Fauquier County, Virginia, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Boone County, Iowa, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Region: O Brien County, Iowa, United States
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Verified date: Dec 31, 2004
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Region: Labette County, Kansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Marion County, Kansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Washington County, Maryland, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Murray County, Minnesota, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Dixon County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Stanton County, Nebraska, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Richmond County, New York, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Williams County, Ohio, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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