Attributes of Colias gigantea
Giant Sulphur
Colias gigantea Strecker, 1900
Family: Pieridae
Subfamily: Coliadinae
Identification: Upper surface of male yellow with narrow black borders; lower surface without submarginal black spots. Female with 2 forms, yellow or white; both may have black border reduced or lacking.
Wing Span: 2 - 2 3/4 inches (5.1 - 7 cm).
Life History: Third-stage caterpillars overwinter.
Flight: One flight from June-July.
Caterpillar Hosts: Dwarf willow (Salix reticulata).
Adult Food: Flower nectar.
Habitat: Willow bogs.
Range: Alaska south along Rocky Mountains to Wyoming.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: Not reported.
Taxonomy Notes:
The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
||
|---|---|---|---|---|---|
  |
August 01, 2010 | J_Martineau | Sheridan County, Wyoming, United States | February 10, 2011 | Details |
| July 05, 1981 | legacy.reporter (Doug Mullins) | Carbon County, Montana, United States | January 29, 2008 | Details | |
| June 21, 1995 | legacy.reporter (F/P) | Northwest Arctic Borough, Alaska, United States | January 23, 2008 | Details | |
| January 01, 1950 | legacy.reporter | Alaska, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Latah County, Idaho, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lemhi County, Idaho, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Blaine County, Idaho, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lake County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Flathead County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lake County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Missoula County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Granite County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Powell County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Gallatin County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Park County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Beaverhead County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Deer Lodge County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Glacier County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lewis And Clark County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Silver Bow County, Montana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Park County, Wyoming, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Teton County, Wyoming, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Sublette County, Wyoming, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Fremont County, Wyoming, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Johnson County, Wyoming, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Yellowstone National Park County, Wyoming, United States | December 31, 2004 | Details |
