Attributes of Oarisma poweshiek
Poweshiek Skipperling
Oarisma poweshiek (Parker, 1870)
Family: Hesperiidae
Subfamily: Hesperiinae
Identification: Upperside is black; forewing leading edge and veins are orange. Underside of hindwing is pale brown with white veins.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: To seek females, males patrol close to the ground with a rapid flight. Females deposit eggs singly on leaves of the host plants, which the caterpillars eat. Fifth-stage caterpillars hibernate.
Flight: One brood from June-August.
Caterpillar Hosts: Spikerush (Eleocharis elliptica).
Adult Food: Nectar from flowers including black-eyed susans, purple coneflower, ox-eye daisy, stiff-leaved coreopsis, and white clover.
Habitat: Undisturbed remnants of native tall-grass prairie.
Range: The Dakotas, Minnesota, one site in Iowa, and one site in Michigan.
Conservation: Because little of its habitat remains, this butterfly is in need of protection wherever it is found.
NCGR: G2 - Imperiled globally because of rarity (6 to 20 occurrences), or because of other factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range).
Management Needs: Remaining habitats should be carefully managed. Use of fire as a management tool is discouraged.
Taxonomy Notes:
Images of Oarisma poweshiek
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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.
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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 |
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|---|---|---|---|---|---|
| July 11, 1997 | legacy.reporter (Perkins, Owen A.) | Oakland County, Michigan, United States | May 01, 2011 | Details | |
| July 11, 1997 | legacy.reporter (Perkins, Owen A.) | Oakland County, Michigan, United States | May 01, 2011 | Details | |
| June 28, 1998 | legacy.reporter (Perkins, Owen A.) | Oakland County, Michigan, United States | May 01, 2011 | Details | |
| July 02, 1999 | legacy.reporter (Nielsen, Mogens C.) | Lenawee County, Michigan, United States | May 01, 2011 | Details | |
| July 01, 2000 | legacy.reporter (Bialecki M, Kuhlman R, Richiards C, Swales John, Wykes Roger) | Washtenaw County, Michigan, United States | May 01, 2011 | Details | |
| June 13, 1977 | Tom Middagh (Tom Middagh) | Nobles County, Minnesota, United States | March 11, 2008 | Details | |
| July 12, 1990 | Tom Middagh (Tom Middagh) | Nobles County, Minnesota, United States | March 11, 2008 | Details | |
| July 10, 1981 | Tom Middagh (Tom Middagh) | Nobles County, Minnesota, United States | March 11, 2008 | Details | |
| July 23, 1979 | Tom Middagh (Tom Middagh) | Nobles County, Minnesota, United States | March 11, 2008 | Details | |
| July 11, 1983 | Tom Middagh (Tom Middagh) | Nobles County, Minnesota, United States | March 11, 2008 | Details | |
| January 01, 1950 | legacy.reporter | Cerro Gordo County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Dickinson County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Emmet County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Hancock County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Howard County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Kossuth County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Page County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Palo Alto County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Poweshiek County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Story County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Woodbury County, Iowa, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Bureau County, Illinois, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lake County, Illinois, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Mason County, Illinois, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lake County, Indiana, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Jackson County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Kent County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lenawee County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Livingston County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Oakland County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Washtenaw County, Michigan, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Becker County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Big Stone County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Chippewa County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Clay County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Dodge County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Douglas County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Grant County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Jackson County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Kittson County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lac Qui Parle County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Lincoln County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | McLeod County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Marshall County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Murray County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Norman County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Pipestone County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Polk County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Pope County, Minnesota, United States | December 31, 2004 | Details | |
| January 01, 1950 | legacy.reporter | Rock County, Minnesota, United States | December 31, 2004 | Details |
