Swamp Metalmark
Calephelis muticum McAlpine, 1937
Family: Riodinidae
Subfamily: Riodininae
Identification: Male with pointed forewing. Upperside of both sexes bright red-brown; dark median band not evident. Wing fringes lightly checkered.
Wing Span: 15/16 - 1 3/16 inches (2.4 - 3 cm).
Life History: Eggs are laid singly on underside of host plant leaves, which the caterpillars eat. Fourth and fifth stage caterpillars overwinter.
Flight: One flight from June-August in the Great Lakes region, two flights from May-September in the south.
Caterpillar Hosts: Swamp thistle (Cirsium muticum) and roadside thistle (C. altissimum).
Adult Food: Nectar from yellow flowers including black-eyed susans.
Habitat: Bogs, marshes, swamps, wet meadows.
Range: Populations in southern Michigan, southern Wisconsin, Ohio, Missouri, and northern Arkansas. Isolated populations in central Kentucky and eastern Iowa.
Conservation: Isolated populations should be conserved wherever found.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Alternate Scientific Names:
Calephelis mutica
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Verified Sightings
Displaying 73 - 96 of 102 verified sightings

Observation date: unknown
Submitted by: legacy.reporter
Region: Champaign County, Ohio, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

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Submitted by: legacy.reporter
Region: Lagrange County, Indiana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Kalamazoo County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Montcalm County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Dane County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Nelson County, Kentucky, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Shiawassee County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Sauk County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Marion County, Arkansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Clinton County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Seneca County, Ohio, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Waukesha County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Christian County, Kentucky, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Kent County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Oakland County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

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Submitted by: legacy.reporter
Region: Fond Du Lac County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Carroll County, Arkansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Barry County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Washtenaw County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Walworth County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Arkansas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Jackson County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Livingston County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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