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.
Comments: NULL
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Verified Sightings
Displaying 289 - 312 of 380 verified sightings
Observation date: unknown
Submitted by: legacy.reporter
Region: Antrim County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Pine County, Minnesota, United States
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Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Grant County, West Virginia, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Vilas County, Wisconsin, United States
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Verified date: Dec 31, 2004
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Submitted by: legacy.reporter
Region: Emmet County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Lewis And Clark County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Addison County, Vermont, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Kootenai County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Luce County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Madison County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Okanogan County, Washington, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Berkshire County, Massachusetts, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Oscoda County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Essex County, New York, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Walla Walla County, Washington, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Knox County, Maine, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Isle Royale County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Morrow County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Forest County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Washington County, Maine, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Dakota County, Minnesota, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Klamath County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Oneida County, Wisconsin, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Benzie County, Michigan, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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