Attributes of Colias interior

Pink-edged Sulphur
Colias interior Scudder, 1862

Family: Pieridae
Subfamily: Coliadinae
Identification: Both sexes with conspicuous pink wing edges. Male yellow; female yellow or white (very rarely). Upperside of male with black border; border on female may be incomplete or only seen at tip of wing. Underside of hindwing clear yellow with single silver cell spot circled in pink.
Wing Span: 1 1/2 - 2 5/8 inches (3.9 - 6.6 cm).
Life History: Males patrol with a slow flight for females. Eggs are laid in midsummer on blueberry leaves, and young caterpillars overwinter. Most feeding occurs the following spring.
Flight: One flight from June-August.
Caterpillar Hosts: Various blueberry plants (Vaccinium species) in the heath family (Ericaceae).
Adult Food: Nectar from flowers of bristly sarsaparilla and orange hawkweed.
Habitat: Shrubby openings in woods, bogs, or scrub areas where Ericaceae grows; often in burned or logged sites.
Range: From British Columbia and eastern Oregon east through the Great Lakes area to northern New England. Isolated population in central Appalachians of northeast Pennsylvania, western Maryland, eastern West Virginia, and northwest Virginia.
Conservation: Mountain populations of southern Appalachians should be monitored.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Investigate habitat management needs,if any, in southern Appalachian habitats.
Taxonomy Notes:

Images of Colias interior

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Colias interior - Colias-interior-AWT-1.jpg

Colias interior - Colias-interior-AWT-1.jpg
Colias interior - coliinte.jpg

Colias interior - coliinte.jpg

The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
July 13, 2015 jvkopple2 Ontario, Canada July 24, 2015 Details
July 09, 2015 jvkopple2 Kalkaska County, Michigan, United States July 24, 2015 Details
July 09, 2015 treichard Ontario, Canada July 15, 2015 Details
July 09, 2015 treichard Ontario, Canada July 15, 2015 Details
August 05, 2014 dpgbfly1 Roseau County, Minnesota, United States March 15, 2015 Details
June 26, 2014 webielenberg Bayfield County, Wisconsin, United States September 04, 2014 Details
July 03, 2014 Robert Morin Quebec, Canada July 17, 2014 Details
July 03, 2014 Robert Morin Quebec, Canada July 17, 2014 Details
July 12, 2013 ellenjones6 Franklin County, New York, United States March 25, 2014 Details
July 27, 2013 ellenjones6 Franklin County, New York, United States March 25, 2014 Details
July 06, 2013 ellenjones6 Franklin County, New York, United States March 22, 2014 Details
July 12, 2013 ellenjones6 Franklin County, New York, United States March 22, 2014 Details
August 13, 2013 jim8435wisc Clark County, Wisconsin, United States September 19, 2013 Details
August 04, 2013 M Kuhlman Missoula County, Montana, United States August 13, 2013 Details
July 05, 2011 WestCoastLady Missoula County, Montana, United States August 04, 2013 Details
July 21, 2013 David Trently Newfoundland and Labrador, Canada July 30, 2013 Details
June 27, 2013 Jody Ontario, Canada June 27, 2013 Details
July 27, 2012 plex1ppus Lincoln County, Montana, United States September 17, 2012 Details
June 21, 2012 Jdammarell Pend Oreille County, Washington, United States June 22, 2012 Details
May 26, 2012 butterflygirl_1026 St Louis County, Minnesota, United States May 31, 2012 Details
May 29, 2012 jim8435wisc Jackson County, Wisconsin, United States May 31, 2012 Details
June 29, 2009 pcastrovillo Valley County, Idaho, United States February 03, 2012 Details
June 05, 2009 jim8435wisc Jackson County, Wisconsin, United States November 25, 2011 Details
June 15, 2011 franpope Tucker County, West Virginia, United States June 24, 2011 Details
June 15, 2011 franpope Tucker County, West Virginia, United States June 24, 2011 Details
June 13, 2011 Cheryl Jennings Tucker County, West Virginia, United States June 23, 2011 Details
July 01, 1995 legacy.reporter (Reinoehl, Jack) Chippewa County, Michigan, United States May 01, 2011 Details
July 01, 1995 legacy.reporter (McWhirter, Doug) Otsego County, Michigan, United States May 01, 2011 Details
July 07, 1995 legacy.reporter (Heuvelhorst, Bonnie with Rick Baetsen, Denny Brooks, Katherine Carothers, Janea Little, Willian Scharf, Myrtle Wilke) Chippewa County, Michigan, United States May 01, 2011 Details
July 08, 1995 legacy.reporter (Heuvelhorst, Bonnie with Rick Baetsen, DennyBrooks, Katherine Carothers, Andy Carter, Mark Jaunzems, Stephen Kay, Karen Lamonte, Janea Little, Mason Schafer, Melvin Schafer, Richard Urbanek, Myrtle Wilke, Robert Wood) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 11, 1996 legacy.reporter (Heuvelhorst, Bonnie with Rick Baetsen, J. Spieles) Chippewa County, Michigan, United States May 01, 2011 Details
August 03, 1996 legacy.reporter (Heuvelhorst, Bonnie, A. & J. & R. Baetsen, R. Urbanek) Schoolcraft County, Michigan, United States May 01, 2011 Details
September 01, 1996 legacy.reporter (Granlund, Jim) Chippewa County, Michigan, United States May 01, 2011 Details
June 05, 1997 legacy.reporter (Perkins, Owen A.) Oakland County, Michigan, United States May 01, 2011 Details
July 04, 1997 legacy.reporter (Heuvelhorst, Bonnie, E. Aithen, J. & R. Baetsen, D. Wilshere) Chippewa County, Michigan, United States May 01, 2011 Details
July 05, 1997 legacy.reporter (Heuvelhorst, Bonnie with J., R. Baetsen, J. Kaplan, S. Miklovic, J. Paruk, N. Rein, M., M. Schafer, K. Tischler, R. Urbanek, M. Williams) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 25, 1997 legacy.reporter (McWhirter, Doug) Cheboygan County, Michigan, United States May 01, 2011 Details
July 27, 1997 legacy.reporter (McWhirter, Doug) Mackinac County, Michigan, United States May 01, 2011 Details
August 15, 1997 legacy.reporter (Reinoehl, Jack) Schoolcraft County, Michigan, United States May 01, 2011 Details
August 27, 1997 legacy.reporter (Perkins, Owen A.) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 03, 1998 legacy.reporter (Heuvelhorst, Bonnie, Rick Baetsen, Sharon Johnson, M. Schafer, J. Spieles) Chippewa County, Michigan, United States May 01, 2011 Details
July 03, 1998 legacy.reporter (Heuvelhorst, Bonnie, Rick Baetsen, Sharon Johnson, M. Schafer, J. Spieles) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 04, 1998 legacy.reporter (Heuvelhorst, Bonnie with J., R. Baetsen, G. Crozier, S. Johnson, M. & M. Schafer, R. Urbanek) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 05, 1998 legacy.reporter (Heuvelhorst, Bonnie. R. Baetsen, Sharon Johnson, M. & M Schafer, J. Spieles) Chippewa County, Michigan, United States May 01, 2011 Details
July 06, 1998 legacy.reporter (Johnson, Sharon, Jeanne Raffin) Mackinac County, Michigan, United States May 01, 2011 Details
July 24, 1998 Ranger Steve Mueller (Steven J. Mueller) Schoolcraft County, Michigan, United States May 01, 2011 Details
June 25, 1999 legacy.reporter (Heuvelhorst, Bonnie with Rick & Boyne Baetsen, M. & M. Schafer) Chippewa County, Michigan, United States May 01, 2011 Details
June 26, 1999 legacy.reporter (Heuvelhorst, Bonnie with R. Baetsen, J. McDonough, M. & M. Schafer, N. Shutt, R. Urbanek) Schoolcraft County, Michigan, United States May 01, 2011 Details
July 03, 1999 legacy.reporter (Scholtens, Brian) Cheboygan County, Michigan, United States May 01, 2011 Details
July 03, 1999 legacy.reporter (Scholtens, Brian) Emmet County, Michigan, United States May 01, 2011 Details