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 241 - 264 of 873 verified sightings
Observation date: unknown
Submitted by: legacy.reporter
Region: Avery County, North Carolina, United States
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Verified date: Dec 31, 2004
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Region: Douglas County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Banner County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Adams County, Ohio, United States
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Verified date: Dec 31, 2004
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Region: Allegheny County, Pennsylvania, United States
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Verified date: Dec 31, 2004
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Region: Campbell County, South Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Jackson County, South Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
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Region: Pulaski County, Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Region: Faulkner County, Arkansas, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Howard County, Iowa, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Region: Grundy County, Illinois, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Region: Osborne County, Kansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Crawford County, Kansas, United States
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Verified date: Dec 31, 2004
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Region: Eaton County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Sioux County, North Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Custer County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Cheshire County, New Hampshire, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Crawford County, Ohio, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Chester County, Pennsylvania, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Roberts County, South Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Door County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Spotsylvania County, Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Crowley County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Marion County, Iowa, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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