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 385 - 408 of 877 verified sightings
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Region: Winnebago County, Illinois, United States
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Verified date: Dec 31, 2004
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Region: Wabaunsee County, Kansas, United States
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Verified date: Dec 31, 2004
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Region: Nantucket County, Massachusetts, United States
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Verified date: Dec 31, 2004
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Region: Anoka County, Minnesota, United States
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Verified date: Dec 31, 2004
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Region: Sheridan County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Buffalo County, Nebraska, United States
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Verified date: Dec 31, 2004
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Region: Warren County, New Jersey, United States
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Verified date: Dec 31, 2004
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Region: Montgomery County, Ohio, United States
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Verified date: Dec 31, 2004
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Region: Washington County, Pennsylvania, United States
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Verified date: Dec 31, 2004
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Region: Hughes County, South Dakota, United States
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Verified date: Dec 31, 2004
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Region: Hampshire County, West Virginia, United States
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Verified date: Dec 31, 2004
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Region: Bedford County, Virginia, United States
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Verified date: Dec 31, 2004
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Region: Litchfield County, Connecticut, United States
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Verified date: Dec 31, 2004
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Region: Adair County, Iowa, United States
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Verified date: Dec 31, 2004
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Region: Monroe County, Indiana, United States
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Verified date: Dec 31, 2004
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Region: Morris County, Kansas, United States
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Verified date: Dec 31, 2004
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Region: Frederick County, Maryland, United States
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Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Jackson County, Minnesota, United States
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Verified date: Dec 31, 2004
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Region: Keya Paha County, Nebraska, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Arthur County, Nebraska, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Greene County, New York, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Stark County, Ohio, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Providence County, Rhode Island, United States
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Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Douglas County, South Dakota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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