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 1 - 24 of 102 verified sightings
Observation date: Jun 08, 2019
Submitted by: Ozark_Bill
Region: St. Francois County, Missouri, United States
Verified by: CA Ivy
Verified date: Jun 24, 2024
Observation date: Aug 20, 2022
Submitted by: ncrosbyrd
Region: Cole County, Missouri, United States
Verified by: CA Ivy
Verified date: Oct 11, 2022
Observation date: Jun 08, 2021
Submitted by: Eric Wood
Region: Cole County, Missouri, United States
Verified by: Eric Wood
Verified date: Jun 13, 2021
Observation date: May 26, 2012
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: Dec 01, 2012
Observation date: May 06, 2012
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: Dec 01, 2012
Observation date: May 27, 2012
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: Dec 01, 2012
Observation date: May 28, 2012
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: Dec 01, 2012
Observation date: Aug 05, 2012
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: Dec 01, 2012
Observation date: Jun 30, 2011
Submitted by: Troy Shively
Region: Logan County, Ohio, United States
Verified by: rogerdowner
Verified date: Feb 21, 2012
Observation date: Jul 18, 2007
Submitted by: Doug Taron
Region: Washington County, Wisconsin, United States
Verified by: Tom Middagh
Verified date: Nov 04, 2011
Observation date: Aug 26, 2010
Submitted by: Howell_Curtis
Region: Crawford County, Indiana, United States
Verified by: jeffreybelth
Verified date: Aug 07, 2011
Observation date: Jun 13, 2009
Submitted by: Howell_Curtis
Region: Perry County, Indiana, United States
Verified by: jeffreybelth
Verified date: Aug 07, 2011
Observation date: May 28, 2011
Submitted by: vitaly charny
Region: Colbert County, Alabama, United States
Verified by: paulopler
Verified date: Jun 08, 2011
Observation date: Jul 03, 2000
Submitted by: legacy.reporter (Reinoehl, Jack)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jul 17, 1997
Submitted by: legacy.reporter (Reinoehl, Jack)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jul 28, 2011
Submitted by: legacy.reporter (Faye Lacefield and Lindsey Thomas)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: May 01, 2011
Observation date: Jul 01, 1999
Submitted by: legacy.reporter (Reinoehl, Jack)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Aug 27, 2011
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: May 01, 2011
Observation date: Jul 06, 2000
Submitted by: legacy.reporter (Reinoehl, Jack)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jul 19, 1997
Submitted by: legacy.reporter (Reinoehl, Jack with Jim Granlund, D. Powell)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Aug 13, 2011
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: May 01, 2011
Observation date: Jul 01, 1999
Submitted by: legacy.reporter (Reinoehl, Jack)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
Observation date: Jun 04, 2011
Submitted by: vitaly charny (Vitaly Charny)
Region: Colbert County, Alabama, United States
Verified by: vitaly charny (Vitaly Charny)
Verified date: May 01, 2011
Observation date: Jul 01, 1999
Submitted by: legacy.reporter (Nielsen, Mogens C.)
Region: Hillsdale County, Michigan, United States
Verified by: Ranger Steve Mueller (Steven J. Mueller)
Verified date: May 01, 2011
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